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Message-ID: <169767401536.6692.10530784084869425614.stgit@anambiarhost.jf.intel.com> Date: Wed, 18 Oct 2023 17:06:55 -0700 From: Amritha Nambiar <amritha.nambiar@...el.com> To: netdev@...r.kernel.org, kuba@...nel.org, pabeni@...hat.com Cc: sridhar.samudrala@...el.com, amritha.nambiar@...el.com Subject: [net-next PATCH v5 10/10] netdev-genl: Add PID for the NAPI thread In the threaded NAPI mode, expose the PID of the NAPI thread. Signed-off-by: Amritha Nambiar <amritha.nambiar@...el.com> Reviewed-by: Sridhar Samudrala <sridhar.samudrala@...el.com> --- net/core/netdev-genl.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index ad4b1ee0a2d1..e05fbdac2a58 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -152,6 +152,7 @@ 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; @@ -170,6 +171,12 @@ 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_s32(rsp, NETDEV_A_NAPI_PID, pid)) + goto nla_put_failure; + } + genlmsg_end(rsp, hdr); return 0;
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