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octeontx2-af: Wrapper functions for MAC addr add/del/update/reset
These functions are wrappers for mac add/addr/del/update in exact match table. These will be invoked from mbox handler routines if exact matct table is supported and enabled. Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
parent
292822e961
commit
2dba9459d2
2 changed files with 370 additions and 12 deletions
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@ -1168,14 +1168,17 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
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*enable_or_disable_cam = false;
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if (promisc)
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goto done;
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/* If all rules are deleted and not already in promisc mode; disable cam */
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if (!*cnt && !promisc) {
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if (!*cnt && val < 0) {
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*enable_or_disable_cam = true;
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goto done;
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}
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/* If rule got added and not already in promisc mode; enable cam */
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if (!old_cnt && !promisc) {
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if (!old_cnt && val > 0) {
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*enable_or_disable_cam = true;
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goto done;
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}
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@ -1193,7 +1196,7 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
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* table.
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* Return: 0 upon success.
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*/
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int rvu_npc_exact_del_table_entry_by_id(struct rvu *rvu, u32 seq_id)
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static int rvu_npc_exact_del_table_entry_by_id(struct rvu *rvu, u32 seq_id)
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{
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struct npc_exact_table_entry *entry = NULL;
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struct npc_exact_table *table;
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@ -1265,9 +1268,9 @@ int rvu_npc_exact_del_table_entry_by_id(struct rvu *rvu, u32 seq_id)
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* MEM table.
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* Return: 0 upon success.
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*/
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static int __maybe_unused rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
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u8 *mac, u16 chan, u8 ctype, u32 *seq_id,
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bool cmd, u32 mcam_idx, u16 pcifunc)
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static int rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id, u8 *mac,
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u16 chan, u8 ctype, u32 *seq_id, bool cmd,
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u32 mcam_idx, u16 pcifunc)
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{
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int blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
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enum npc_exact_opc_type opc_type;
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@ -1335,9 +1338,8 @@ static int __maybe_unused rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_
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* hash value may not match with old one.
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* Return: 0 upon success.
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*/
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static int __maybe_unused rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 cgx_id,
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u8 lmac_id, u8 *old_mac,
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u8 *new_mac, u32 *seq_id)
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static int rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
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u8 *old_mac, u8 *new_mac, u32 *seq_id)
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{
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int blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
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struct npc_exact_table_entry *entry;
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@ -1367,7 +1369,7 @@ static int __maybe_unused rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 c
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new_mac, table->mem_table.mask,
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table->mem_table.depth);
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if (hash_index != entry->index) {
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dev_err(rvu->dev,
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dev_dbg(rvu->dev,
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"%s: Update failed due to index mismatch(new=0x%x, old=%x)\n",
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__func__, hash_index, entry->index);
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mutex_unlock(&table->lock);
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@ -1397,6 +1399,343 @@ static int __maybe_unused rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 c
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return 0;
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}
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/**
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* rvu_npc_exact_promisc_disable - Disable promiscuous mode.
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* @rvu: resource virtualization unit.
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* @pcifunc: pcifunc
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*
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* Drop rule is against each PF. We dont support DMAC filter for
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* VF.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc)
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{
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struct npc_exact_table *table;
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int pf = rvu_get_pf(pcifunc);
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u8 cgx_id, lmac_id;
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u32 drop_mcam_idx;
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bool *promisc;
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u32 cnt;
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table = rvu->hw->table;
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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rvu_npc_exact_get_drop_rule_info(rvu, NIX_INTF_TYPE_CGX, cgx_id, lmac_id,
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&drop_mcam_idx, NULL, NULL, NULL);
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mutex_lock(&table->lock);
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promisc = &table->promisc_mode[drop_mcam_idx];
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if (!*promisc) {
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mutex_unlock(&table->lock);
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dev_dbg(rvu->dev, "%s: Err Already promisc mode disabled (cgx=%d lmac=%d)\n",
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__func__, cgx_id, lmac_id);
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return LMAC_AF_ERR_INVALID_PARAM;
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}
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*promisc = false;
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cnt = __rvu_npc_exact_cmd_rules_cnt_update(rvu, drop_mcam_idx, 0, NULL);
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mutex_unlock(&table->lock);
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/* If no dmac filter entries configured, disable drop rule */
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if (!cnt)
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rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, false);
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else
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rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, !*promisc);
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dev_dbg(rvu->dev, "%s: disabled promisc mode (cgx=%d lmac=%d, cnt=%d)\n",
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__func__, cgx_id, lmac_id, cnt);
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return 0;
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}
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/**
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* rvu_npc_exact_promisc_enable - Enable promiscuous mode.
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* @rvu: resource virtualization unit.
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* @pcifunc: pcifunc.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc)
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{
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struct npc_exact_table *table;
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int pf = rvu_get_pf(pcifunc);
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u8 cgx_id, lmac_id;
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u32 drop_mcam_idx;
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bool *promisc;
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u32 cnt;
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table = rvu->hw->table;
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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rvu_npc_exact_get_drop_rule_info(rvu, NIX_INTF_TYPE_CGX, cgx_id, lmac_id,
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&drop_mcam_idx, NULL, NULL, NULL);
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mutex_lock(&table->lock);
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promisc = &table->promisc_mode[drop_mcam_idx];
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if (*promisc) {
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mutex_unlock(&table->lock);
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dev_dbg(rvu->dev, "%s: Already in promisc mode (cgx=%d lmac=%d)\n",
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__func__, cgx_id, lmac_id);
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return LMAC_AF_ERR_INVALID_PARAM;
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}
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*promisc = true;
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cnt = __rvu_npc_exact_cmd_rules_cnt_update(rvu, drop_mcam_idx, 0, NULL);
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mutex_unlock(&table->lock);
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/* If no dmac filter entries configured, disable drop rule */
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if (!cnt)
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rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, false);
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else
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rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX, !*promisc);
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dev_dbg(rvu->dev, "%s: Enabled promisc mode (cgx=%d lmac=%d cnt=%d)\n",
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__func__, cgx_id, lmac_id, cnt);
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return 0;
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}
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/**
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* rvu_npc_exact_mac_addr_reset - Delete PF mac address.
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* @rvu: resource virtualization unit.
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* @req: Reset request
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* @rsp: Reset response.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_mac_addr_reset(struct rvu *rvu, struct cgx_mac_addr_reset_req *req,
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struct msg_rsp *rsp)
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{
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int pf = rvu_get_pf(req->hdr.pcifunc);
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u32 seq_id = req->index;
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struct rvu_pfvf *pfvf;
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u8 cgx_id, lmac_id;
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int rc;
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
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rc = rvu_npc_exact_del_table_entry_by_id(rvu, seq_id);
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if (rc) {
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/* TODO: how to handle this error case ? */
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dev_err(rvu->dev, "%s MAC (%pM) del PF=%d failed\n", __func__, pfvf->mac_addr, pf);
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return 0;
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}
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dev_dbg(rvu->dev, "%s MAC (%pM) del PF=%d success (seq_id=%u)\n",
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__func__, pfvf->mac_addr, pf, seq_id);
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return 0;
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}
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/**
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* rvu_npc_exact_mac_addr_update - Update mac address field with new value.
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* @rvu: resource virtualization unit.
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* @req: Update request.
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* @rsp: Update response.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_mac_addr_update(struct rvu *rvu,
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struct cgx_mac_addr_update_req *req,
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struct cgx_mac_addr_update_rsp *rsp)
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{
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int pf = rvu_get_pf(req->hdr.pcifunc);
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struct npc_exact_table_entry *entry;
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struct npc_exact_table *table;
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struct rvu_pfvf *pfvf;
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u32 seq_id, mcam_idx;
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u8 old_mac[ETH_ALEN];
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u8 cgx_id, lmac_id;
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int rc;
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if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
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return LMAC_AF_ERR_PERM_DENIED;
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dev_dbg(rvu->dev, "%s: Update request for seq_id=%d, mac=%pM\n",
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__func__, req->index, req->mac_addr);
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
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table = rvu->hw->table;
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mutex_lock(&table->lock);
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/* Lookup for entry which needs to be updated */
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entry = __rvu_npc_exact_find_entry_by_seq_id(rvu, req->index);
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if (!entry) {
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dev_err(rvu->dev, "%s: failed to find entry for id=0x%x\n", __func__, req->index);
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mutex_unlock(&table->lock);
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return LMAC_AF_ERR_EXACT_MATCH_TBL_LOOK_UP_FAILED;
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}
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ether_addr_copy(old_mac, entry->mac);
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seq_id = entry->seq_id;
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mcam_idx = entry->mcam_idx;
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mutex_unlock(&table->lock);
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rc = rvu_npc_exact_update_table_entry(rvu, cgx_id, lmac_id, old_mac,
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req->mac_addr, &seq_id);
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if (!rc) {
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rsp->index = seq_id;
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dev_dbg(rvu->dev, "%s mac:%pM (pfvf:%pM default:%pM) update to PF=%d success\n",
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__func__, req->mac_addr, pfvf->mac_addr, pfvf->default_mac, pf);
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ether_addr_copy(pfvf->mac_addr, req->mac_addr);
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return 0;
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}
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/* Try deleting and adding it again */
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rc = rvu_npc_exact_del_table_entry_by_id(rvu, req->index);
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if (rc) {
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/* This could be a new entry */
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dev_dbg(rvu->dev, "%s MAC (%pM) del PF=%d failed\n", __func__,
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pfvf->mac_addr, pf);
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}
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rc = rvu_npc_exact_add_table_entry(rvu, cgx_id, lmac_id, req->mac_addr,
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pfvf->rx_chan_base, 0, &seq_id, true,
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mcam_idx, req->hdr.pcifunc);
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if (rc) {
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dev_err(rvu->dev, "%s MAC (%pM) add PF=%d failed\n", __func__,
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req->mac_addr, pf);
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return LMAC_AF_ERR_EXACT_MATCH_TBL_ADD_FAILED;
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}
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rsp->index = seq_id;
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dev_dbg(rvu->dev,
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"%s MAC (new:%pM, old=%pM default:%pM) del and add to PF=%d success (seq_id=%u)\n",
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__func__, req->mac_addr, pfvf->mac_addr, pfvf->default_mac, pf, seq_id);
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ether_addr_copy(pfvf->mac_addr, req->mac_addr);
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return 0;
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}
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/**
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* rvu_npc_exact_mac_addr_add - Adds MAC address to exact match table.
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* @rvu: resource virtualization unit.
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* @req: Add request.
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* @rsp: Add response.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_mac_addr_add(struct rvu *rvu,
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struct cgx_mac_addr_add_req *req,
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struct cgx_mac_addr_add_rsp *rsp)
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{
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int pf = rvu_get_pf(req->hdr.pcifunc);
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struct rvu_pfvf *pfvf;
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u8 cgx_id, lmac_id;
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int rc = 0;
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u32 seq_id;
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
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rc = rvu_npc_exact_add_table_entry(rvu, cgx_id, lmac_id, req->mac_addr,
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pfvf->rx_chan_base, 0, &seq_id,
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true, -1, req->hdr.pcifunc);
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if (!rc) {
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rsp->index = seq_id;
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dev_dbg(rvu->dev, "%s MAC (%pM) add to PF=%d success (seq_id=%u)\n",
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__func__, req->mac_addr, pf, seq_id);
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return 0;
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}
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dev_err(rvu->dev, "%s MAC (%pM) add to PF=%d failed\n", __func__,
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req->mac_addr, pf);
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return LMAC_AF_ERR_EXACT_MATCH_TBL_ADD_FAILED;
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}
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/**
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* rvu_npc_exact_mac_addr_del - Delete DMAC filter
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* @rvu: resource virtualization unit.
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* @req: Delete request.
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* @rsp: Delete response.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_mac_addr_del(struct rvu *rvu,
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struct cgx_mac_addr_del_req *req,
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struct msg_rsp *rsp)
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{
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int pf = rvu_get_pf(req->hdr.pcifunc);
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int rc;
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rc = rvu_npc_exact_del_table_entry_by_id(rvu, req->index);
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if (!rc) {
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dev_dbg(rvu->dev, "%s del to PF=%d success (seq_id=%u)\n",
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__func__, pf, req->index);
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return 0;
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}
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dev_err(rvu->dev, "%s del to PF=%d failed (seq_id=%u)\n",
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__func__, pf, req->index);
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return LMAC_AF_ERR_EXACT_MATCH_TBL_DEL_FAILED;
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}
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/**
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* rvu_npc_exact_mac_addr_set - Add PF mac address to dmac filter.
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* @rvu: resource virtualization unit.
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* @req: Set request.
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* @rsp: Set response.
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* Return: 0 upon success
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*/
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int rvu_npc_exact_mac_addr_set(struct rvu *rvu, struct cgx_mac_addr_set_or_get *req,
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struct cgx_mac_addr_set_or_get *rsp)
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{
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int pf = rvu_get_pf(req->hdr.pcifunc);
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u32 seq_id = req->index;
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struct rvu_pfvf *pfvf;
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u8 cgx_id, lmac_id;
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u32 mcam_idx = -1;
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int rc, nixlf;
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rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
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pfvf = &rvu->pf[pf];
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/* If table does not have an entry; both update entry and del table entry API
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* below fails. Those are not failure conditions.
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*/
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rc = rvu_npc_exact_update_table_entry(rvu, cgx_id, lmac_id, pfvf->mac_addr,
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req->mac_addr, &seq_id);
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if (!rc) {
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rsp->index = seq_id;
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ether_addr_copy(pfvf->mac_addr, req->mac_addr);
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ether_addr_copy(rsp->mac_addr, req->mac_addr);
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dev_dbg(rvu->dev, "%s MAC (%pM) update to PF=%d success\n",
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__func__, req->mac_addr, pf);
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return 0;
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}
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/* Try deleting and adding it again */
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rc = rvu_npc_exact_del_table_entry_by_id(rvu, req->index);
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if (rc) {
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dev_dbg(rvu->dev, "%s MAC (%pM) del PF=%d failed\n",
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__func__, pfvf->mac_addr, pf);
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}
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/* find mcam entry if exist */
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rc = nix_get_nixlf(rvu, req->hdr.pcifunc, &nixlf, NULL);
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if (!rc) {
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mcam_idx = npc_get_nixlf_mcam_index(&rvu->hw->mcam, req->hdr.pcifunc,
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nixlf, NIXLF_UCAST_ENTRY);
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||||
}
|
||||
|
||||
rc = rvu_npc_exact_add_table_entry(rvu, cgx_id, lmac_id, req->mac_addr,
|
||||
pfvf->rx_chan_base, 0, &seq_id,
|
||||
true, mcam_idx, req->hdr.pcifunc);
|
||||
if (rc) {
|
||||
dev_err(rvu->dev, "%s MAC (%pM) add PF=%d failed\n",
|
||||
__func__, req->mac_addr, pf);
|
||||
return LMAC_AF_ERR_EXACT_MATCH_TBL_ADD_FAILED;
|
||||
}
|
||||
|
||||
rsp->index = seq_id;
|
||||
ether_addr_copy(rsp->mac_addr, req->mac_addr);
|
||||
ether_addr_copy(pfvf->mac_addr, req->mac_addr);
|
||||
dev_dbg(rvu->dev,
|
||||
"%s MAC (%pM) del and add to PF=%d success (seq_id=%u)\n",
|
||||
__func__, req->mac_addr, pf, seq_id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* rvu_npc_exact_can_disable_feature - Check if feature can be disabled.
|
||||
* @rvu: resource virtualization unit.
|
||||
|
|
|
@ -202,13 +202,32 @@ struct npc_exact_table {
|
|||
};
|
||||
|
||||
bool rvu_npc_exact_has_match_table(struct rvu *rvu);
|
||||
int rvu_npc_exact_del_table_entry_by_id(struct rvu *rvu, u32 seq_id);
|
||||
u32 rvu_npc_exact_get_max_entries(struct rvu *rvu);
|
||||
int rvu_npc_exact_init(struct rvu *rvu);
|
||||
int rvu_npc_exact_mac_addr_reset(struct rvu *rvu, struct cgx_mac_addr_reset_req *req,
|
||||
struct msg_rsp *rsp);
|
||||
|
||||
int rvu_npc_exact_mac_addr_update(struct rvu *rvu,
|
||||
struct cgx_mac_addr_update_req *req,
|
||||
struct cgx_mac_addr_update_rsp *rsp);
|
||||
|
||||
int rvu_npc_exact_mac_addr_add(struct rvu *rvu,
|
||||
struct cgx_mac_addr_add_req *req,
|
||||
struct cgx_mac_addr_add_rsp *rsp);
|
||||
|
||||
int rvu_npc_exact_mac_addr_del(struct rvu *rvu,
|
||||
struct cgx_mac_addr_del_req *req,
|
||||
struct msg_rsp *rsp);
|
||||
|
||||
int rvu_npc_exact_mac_addr_set(struct rvu *rvu, struct cgx_mac_addr_set_or_get *req,
|
||||
struct cgx_mac_addr_set_or_get *rsp);
|
||||
|
||||
void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
|
||||
|
||||
bool rvu_npc_exact_can_disable_feature(struct rvu *rvu);
|
||||
void rvu_npc_exact_disable_feature(struct rvu *rvu);
|
||||
void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
|
||||
u16 rvu_npc_exact_drop_rule_to_pcifunc(struct rvu *rvu, u32 drop_rule_idx);
|
||||
|
||||
int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc);
|
||||
int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc);
|
||||
#endif /* RVU_NPC_HASH_H */
|
||||
|
|
Loading…
Reference in a new issue