Commit db4704f4 authored by Amritha Nambiar's avatar Amritha Nambiar Committed by Jakub Kicinski
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netdev-genl: Add PID for the NAPI thread 



In the threaded NAPI mode, expose the PID of the NAPI thread.

Signed-off-by: default avatarAmritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: default avatarSridhar Samudrala <sridhar.samudrala@intel.com>
Link: https://lore.kernel.org/r/170147335818.5260.10253384006102593087.stgit@anambiarhost.jf.intel.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 8481a249

net/core/netdev-genl.c

+7 −0
Original line number Diff line number Diff line
@@ -163,6 +163,7 @@ netdev_nl_napi_fill_one(struct sk_buff *rsp, struct napi_struct *napi, 
			const struct genl_info *info)

{

	void *hdr;

	pid_t pid;



	if (WARN_ON_ONCE(!napi->dev))

		return -EINVAL;
@@ -183,6 +184,12 @@ netdev_nl_napi_fill_one(struct sk_buff *rsp, struct napi_struct *napi, 
	if (napi->irq >= 0 && nla_put_u32(rsp, NETDEV_A_NAPI_IRQ, napi->irq))

		goto nla_put_failure;



	if (napi->thread) {

		pid = task_pid_nr(napi->thread);

		if (nla_put_u32(rsp, NETDEV_A_NAPI_PID, pid))

			goto nla_put_failure;

	}



	genlmsg_end(rsp, hdr);



	return 0;