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net: thunderx: rework xcast message structure to make it fit into 64 bit 

To communicate to PF each of ThunderX NIC VF uses mailbox which is
pair of 64 bit registers available to both VFn and PF.

This commit is to change the xcast message structure in order to
fit it into 64 bit.

Signed-off-by: Vadim Lomovtsev <vlomovtsev@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vadim Lomovtsev 2019-02-20 11:02:44 +00:00 committed by David S. Miller
parent 7db730d9d2
commit 5354439612
3 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/cavium/thunder/nic.h
View File

@ -577,10 +577,8 @@ struct set_ptp {
struct xcast {
u8 msg;
union {
u8 mode;
u64 mac;
} data;
u8 mode;
u64 mac:48;
};
/* 128 bit shared memory between PF and each VF */

4
drivers/net/ethernet/cavium/thunder/nic_main.c
View File

@ -1094,7 +1094,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
bgx_set_dmac_cam_filter(nic->node, bgx, lmac,
mbx.xcast.data.mac,
mbx.xcast.mac,
vf < NIC_VF_PER_MBX_REG ? vf :
vf - NIC_VF_PER_MBX_REG);
break;
@ -1106,7 +1106,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
}
bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
bgx_set_xcast_mode(nic->node, bgx, lmac, mbx.xcast.data.mode);
bgx_set_xcast_mode(nic->node, bgx, lmac, mbx.xcast.mode);
break;
default:
dev_err(&nic->pdev->dev,

6
drivers/net/ethernet/cavium/thunder/nicvf_main.c
View File

@ -1961,7 +1961,7 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
* its' own LMAC to the filter to accept packets for it.
*/
mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST;
mbx.xcast.data.mac = 0;
mbx.xcast.mac = 0;
if (nicvf_send_msg_to_pf(nic, &mbx) < 0)
goto free_mc;
}
@ -1971,7 +1971,7 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
/* now go through kernel list of MACs and add them one by one */
for (idx = 0; idx < mc_addrs->count; idx++) {
mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST;
mbx.xcast.data.mac = mc_addrs->mc[idx];
mbx.xcast.mac = mc_addrs->mc[idx];
if (nicvf_send_msg_to_pf(nic, &mbx) < 0)
goto free_mc;
}
@ -1979,7 +1979,7 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
/* and finally set rx mode for PF accordingly */
mbx.xcast.msg = NIC_MBOX_MSG_SET_XCAST;
mbx.xcast.data.mode = mode;
mbx.xcast.mode = mode;
nicvf_send_msg_to_pf(nic, &mbx);
free_mc: