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net: thunderx: add nicvf_send_msg_to_pf result check for set_rx_mode_task 

The rx_set_mode invokes number of messages to be send to PF for receive
mode configuration. In case if there any issues we need to stop sending
messages and release allocated memory.

This commit is to implement check of nicvf_msg_send_to_pf() result.

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 0dd563b9a6
commit 7db730d9d2
1 changed files with 8 additions and 4 deletions
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12
drivers/net/ethernet/cavium/thunder/nicvf_main.c
View File

@ -1953,7 +1953,8 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
/* flush DMAC filters and reset RX mode */
mbx.xcast.msg = NIC_MBOX_MSG_RESET_XCAST;
nicvf_send_msg_to_pf(nic, &mbx);
if (nicvf_send_msg_to_pf(nic, &mbx) < 0)
goto free_mc;
if (mode & BGX_XCAST_MCAST_FILTER) {
/* once enabling filtering, we need to signal to PF to add
@ -1961,7 +1962,8 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
*/
mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST;
mbx.xcast.data.mac = 0;
nicvf_send_msg_to_pf(nic, &mbx);
if (nicvf_send_msg_to_pf(nic, &mbx) < 0)
goto free_mc;
}
/* check if we have any specific MACs to be added to PF DMAC filter */
@ -1970,9 +1972,9 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
for (idx = 0; idx < mc_addrs->count; idx++) {
mbx.xcast.msg = NIC_MBOX_MSG_ADD_MCAST;
mbx.xcast.data.mac = mc_addrs->mc[idx];
nicvf_send_msg_to_pf(nic, &mbx);
if (nicvf_send_msg_to_pf(nic, &mbx) < 0)
goto free_mc;
}
kfree(mc_addrs);
}
/* and finally set rx mode for PF accordingly */
@ -1980,6 +1982,8 @@ static void __nicvf_set_rx_mode_task(u8 mode, struct xcast_addr_list *mc_addrs,
mbx.xcast.data.mode = mode;
nicvf_send_msg_to_pf(nic, &mbx);
free_mc:
kfree(mc_addrs);
}
static void nicvf_set_rx_mode_task(struct work_struct *work_arg)