* [PATCH] net/af_xdp: allow operation when multiprocess is disabled
@ 2022-02-16 15:59 Junxiao Shi
2022-02-17 11:09 ` [PATCH v2] " Junxiao Shi
0 siblings, 1 reply; 5+ messages in thread
From: Junxiao Shi @ 2022-02-16 15:59 UTC (permalink / raw)
To: dev
If EAL multiprocess feature has been disabled via rte_mp_disable()
function, AF_XDP driver may not be able to register its IPC callback.
Previously this leads to probe failure.
This commit adds a check for this condition so that AF_XDP can still be
used even if multiprocess is disabled.
Fixes: 9876cf8316b3 ("net/af_xdp: re-enable secondary process support")
Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
---
drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 6ac710c6bd..7f23097c5f 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -1995,7 +1995,7 @@ rte_pmd_af_xdp_probe(struct rte_vdev_device *dev)
/* Register IPC callback which shares xsk fds from primary to secondary */
if (!afxdp_dev_count) {
ret = rte_mp_action_register(ETH_AF_XDP_MP_KEY, afxdp_mp_send_fds);
- if (ret < 0) {
+ if (ret < 0 || rte_errno != ENOTSUP) {
AF_XDP_LOG(ERR, "%s: Failed to register multi-process IPC callback: %s",
name, strerror(rte_errno));
return -1;
--
2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH v2] net/af_xdp: allow operation when multiprocess is disabled
2022-02-16 15:59 [PATCH] net/af_xdp: allow operation when multiprocess is disabled Junxiao Shi
@ 2022-02-17 11:09 ` Junxiao Shi
2022-02-17 12:46 ` David Marchand
2022-02-17 13:29 ` Loftus, Ciara
0 siblings, 2 replies; 5+ messages in thread
From: Junxiao Shi @ 2022-02-17 11:09 UTC (permalink / raw)
To: dev
If EAL multiprocess feature has been disabled via rte_mp_disable()
function, AF_XDP driver may not be able to register its IPC callback.
Previously this leads to probe failure.
This commit adds a check for this condition so that AF_XDP can still be
used even if multiprocess is disabled.
Fixes: 9876cf8316b3 ("net/af_xdp: re-enable secondary process support")
Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
---
drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 6ac710c6bd..2163df7c5c 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -1995,7 +1995,7 @@ rte_pmd_af_xdp_probe(struct rte_vdev_device *dev)
/* Register IPC callback which shares xsk fds from primary to secondary */
if (!afxdp_dev_count) {
ret = rte_mp_action_register(ETH_AF_XDP_MP_KEY, afxdp_mp_send_fds);
- if (ret < 0) {
+ if (ret < 0 && rte_errno != ENOTSUP) {
AF_XDP_LOG(ERR, "%s: Failed to register multi-process IPC callback: %s",
name, strerror(rte_errno));
return -1;
--
2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH v2] net/af_xdp: allow operation when multiprocess is disabled
2022-02-17 11:09 ` [PATCH v2] " Junxiao Shi
@ 2022-02-17 12:46 ` David Marchand
2022-02-17 13:29 ` Loftus, Ciara
1 sibling, 0 replies; 5+ messages in thread
From: David Marchand @ 2022-02-17 12:46 UTC (permalink / raw)
To: Junxiao Shi; +Cc: dev, Yigit, Ferruh, Ciara Loftus
On Thu, Feb 17, 2022 at 12:14 PM Junxiao Shi <git@mail1.yoursunny.com> wrote:
>
> If EAL multiprocess feature has been disabled via rte_mp_disable()
> function, AF_XDP driver may not be able to register its IPC callback.
> Previously this leads to probe failure.
> This commit adds a check for this condition so that AF_XDP can still be
> used even if multiprocess is disabled.
>
> Fixes: 9876cf8316b3 ("net/af_xdp: re-enable secondary process support")
>
> Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
> ---
> drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index 6ac710c6bd..2163df7c5c 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -1995,7 +1995,7 @@ rte_pmd_af_xdp_probe(struct rte_vdev_device *dev)
> /* Register IPC callback which shares xsk fds from primary to secondary */
> if (!afxdp_dev_count) {
> ret = rte_mp_action_register(ETH_AF_XDP_MP_KEY, afxdp_mp_send_fds);
> - if (ret < 0) {
> + if (ret < 0 && rte_errno != ENOTSUP) {
> AF_XDP_LOG(ERR, "%s: Failed to register multi-process IPC callback: %s",
> name, strerror(rte_errno));
> return -1;
> --
> 2.17.1
>
I just encountered the same issue.
Patch lgtm.
--
David Marchand
^ permalink raw reply [flat|nested] 5+ messages in thread* RE: [PATCH v2] net/af_xdp: allow operation when multiprocess is disabled
2022-02-17 11:09 ` [PATCH v2] " Junxiao Shi
2022-02-17 12:46 ` David Marchand
@ 2022-02-17 13:29 ` Loftus, Ciara
2022-02-17 17:29 ` Ferruh Yigit
1 sibling, 1 reply; 5+ messages in thread
From: Loftus, Ciara @ 2022-02-17 13:29 UTC (permalink / raw)
To: Junxiao Shi, dev
> Subject: [PATCH v2] net/af_xdp: allow operation when multiprocess is
> disabled
>
> If EAL multiprocess feature has been disabled via rte_mp_disable()
> function, AF_XDP driver may not be able to register its IPC callback.
> Previously this leads to probe failure.
> This commit adds a check for this condition so that AF_XDP can still be
> used even if multiprocess is disabled.
>
> Fixes: 9876cf8316b3 ("net/af_xdp: re-enable secondary process support")
>
> Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
Thanks for the patch!
Acked-by: Ciara Loftus <ciara.loftus@intel.com>
> ---
> drivers/net/af_xdp/rte_eth_af_xdp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c
> b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index 6ac710c6bd..2163df7c5c 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -1995,7 +1995,7 @@ rte_pmd_af_xdp_probe(struct rte_vdev_device
> *dev)
> /* Register IPC callback which shares xsk fds from primary to
> secondary */
> if (!afxdp_dev_count) {
> ret = rte_mp_action_register(ETH_AF_XDP_MP_KEY,
> afxdp_mp_send_fds);
> - if (ret < 0) {
> + if (ret < 0 && rte_errno != ENOTSUP) {
> AF_XDP_LOG(ERR, "%s: Failed to register multi-
> process IPC callback: %s",
> name, strerror(rte_errno));
> return -1;
> --
> 2.17.1
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH v2] net/af_xdp: allow operation when multiprocess is disabled
2022-02-17 13:29 ` Loftus, Ciara
@ 2022-02-17 17:29 ` Ferruh Yigit
0 siblings, 0 replies; 5+ messages in thread
From: Ferruh Yigit @ 2022-02-17 17:29 UTC (permalink / raw)
To: Loftus, Ciara, Junxiao Shi, dev
On 2/17/2022 1:29 PM, Loftus, Ciara wrote:
>> Subject: [PATCH v2] net/af_xdp: allow operation when multiprocess is
>> disabled
>>
>> If EAL multiprocess feature has been disabled via rte_mp_disable()
>> function, AF_XDP driver may not be able to register its IPC callback.
>> Previously this leads to probe failure.
>> This commit adds a check for this condition so that AF_XDP can still be
>> used even if multiprocess is disabled.
>>
>> Fixes: 9876cf8316b3 ("net/af_xdp: re-enable secondary process support")
>>
>> Signed-off-by: Junxiao Shi <git@mail1.yoursunny.com>
>
> Thanks for the patch!
>
> Acked-by: Ciara Loftus <ciara.loftus@intel.com>
>
Applied to dpdk-next-net/main, thanks.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-02-17 17:29 UTC | newest]
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2022-02-16 15:59 [PATCH] net/af_xdp: allow operation when multiprocess is disabled Junxiao Shi
2022-02-17 11:09 ` [PATCH v2] " Junxiao Shi
2022-02-17 12:46 ` David Marchand
2022-02-17 13:29 ` Loftus, Ciara
2022-02-17 17:29 ` Ferruh Yigit
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