mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-20 14:16:02 +00:00
Code Issues Releases Wiki Activity

Merge branch 'bnxt_en-Bug-fixes'

Browse source 
Michael Chan says:

====================
bnxt_en: Bug fixes.

3 bnxt_en driver fixes, covering a bug in preserving the counters during
some resets, proper error code when flashing NVRAM fails, and an
endian bug when extracting the firmware response message length.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2020-05-26 20:30:48 -07:00
commit 09cb9f269b
3 changed files with 10 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -4176,14 +4176,12 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
int i, intr_process, rc, tmo_count;
struct input *req = msg;
u32 *data = msg;
__le32 *resp_len;
u8 *valid;
u16 cp_ring_id, len = 0;
struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
u16 max_req_len = BNXT_HWRM_MAX_REQ_LEN;
struct hwrm_short_input short_input = {0};
u32 doorbell_offset = BNXT_GRCPF_REG_CHIMP_COMM_TRIGGER;
u8 *resp_addr = (u8 *)bp->hwrm_cmd_resp_addr;
u32 bar_offset = BNXT_GRCPF_REG_CHIMP_COMM;
u16 dst = BNXT_HWRM_CHNL_CHIMP;
@ -4201,7 +4199,6 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
bar_offset = BNXT_GRCPF_REG_KONG_COMM;
doorbell_offset = BNXT_GRCPF_REG_KONG_COMM_TRIGGER;
resp = bp->hwrm_cmd_kong_resp_addr;
resp_addr = (u8 *)bp->hwrm_cmd_kong_resp_addr;
}
memset(resp, 0, PAGE_SIZE);
@ -4270,7 +4267,6 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
tmo_count = HWRM_SHORT_TIMEOUT_COUNTER;
timeout = timeout - HWRM_SHORT_MIN_TIMEOUT * HWRM_SHORT_TIMEOUT_COUNTER;
tmo_count += DIV_ROUND_UP(timeout, HWRM_MIN_TIMEOUT);
resp_len = (__le32 *)(resp_addr + HWRM_RESP_LEN_OFFSET);
if (intr_process) {
u16 seq_id = bp->hwrm_intr_seq_id;
@ -4298,9 +4294,8 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
le16_to_cpu(req->req_type));
return -EBUSY;
}
len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
HWRM_RESP_LEN_SFT;
valid = resp_addr + len - 1;
len = le16_to_cpu(resp->resp_len);
valid = ((u8 *)resp) + len - 1;
} else {
int j;
@ -4311,8 +4306,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
*/
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
return -EBUSY;
len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
HWRM_RESP_LEN_SFT;
len = le16_to_cpu(resp->resp_len);
if (len)
break;
/* on first few passes, just barely sleep */
@ -4334,7 +4328,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
}
/* Last byte of resp contains valid bit */
valid = resp_addr + len - 1;
valid = ((u8 *)resp) + len - 1;
for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) {
/* make sure we read from updated DMA memory */
dma_rmb();
@ -9310,7 +9304,7 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
bnxt_free_skbs(bp);
/* Save ring stats before shutdown */
if (bp->bnapi)
if (bp->bnapi && irq_re_init)
bnxt_get_ring_stats(bp, &bp->net_stats_prev);
if (irq_re_init) {
bnxt_free_irq(bp);

5
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View file

@ -656,11 +656,6 @@ struct nqe_cn {
#define HWRM_CMD_TIMEOUT (bp->hwrm_cmd_timeout)
#define HWRM_RESET_TIMEOUT ((HWRM_CMD_TIMEOUT) * 4)
#define HWRM_COREDUMP_TIMEOUT ((HWRM_CMD_TIMEOUT) * 12)
#define HWRM_RESP_ERR_CODE_MASK 0xffff
#define HWRM_RESP_LEN_OFFSET 4
#define HWRM_RESP_LEN_MASK 0xffff0000
#define HWRM_RESP_LEN_SFT 16
#define HWRM_RESP_VALID_MASK 0xff000000
#define BNXT_HWRM_REQ_MAX_SIZE 128
#define BNXT_HWRM_REQS_PER_PAGE (BNXT_PAGE_SIZE / \
BNXT_HWRM_REQ_MAX_SIZE)

9
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View file

@ -2012,11 +2012,12 @@ int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
bnxt_hwrm_fw_set_time(bp);
if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
&index, &item_len, NULL) != 0) {
rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
&index, &item_len, NULL);
if (rc) {
netdev_err(dev, "PKG update area not created in nvram\n");
return -ENOBUFS;
return rc;
}
rc = request_firmware(&fw, filename, &dev->dev);