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In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17/03/2025 13:47, Sabrina Dubroca wrote: > Hello, > > A few comments since it seems you'll have to send one more version > (otherwise they could be fixed later). > > 2025-03-12, 21:54:27 +0100, Antonio Quartulli wrote: >> diff --git a/drivers/net/ovpn/netlink.c b/drivers/net/ovpn/netlink.c >> index 8d267d4c82283d9b5f989478102086ce385195d5..407b5b908be431625a3c258e7887211ef0f4b197 100644 >> --- a/drivers/net/ovpn/netlink.c >> +++ b/drivers/net/ovpn/netlink.c > [...] >> +static int ovpn_nl_peer_modify(struct ovpn_peer *peer, struct genl_info *info, >> + struct nlattr **attrs) >> +{ >> + struct sockaddr_storage ss = {}; >> + void *local_ip = NULL; >> + u32 interv, timeout; >> + bool rehash = false; >> + int ret; >> + >> + spin_lock_bh(&peer->lock); >> + >> + if (ovpn_nl_attr_sockaddr_remote(attrs, &ss)) { >> + /* we carry the local IP in a generic container. >> + * ovpn_peer_reset_sockaddr() will properly interpret it >> + * based on ss.ss_family >> + */ >> + local_ip = ovpn_nl_attr_local_ip(attrs); >> + >> + /* set peer sockaddr */ >> + ret = ovpn_peer_reset_sockaddr(peer, &ss, local_ip); >> + if (ret < 0) { >> + NL_SET_ERR_MSG_FMT_MOD(info->extack, >> + "cannot set peer sockaddr: %d", >> + ret); >> + goto err_unlock; >> + } > > Similar to the floating case, this should reset the peer dst_cache? In > both cases we're updating the remote peer's address and our local > address. > makes sense. Then I should probably move the call to dst_cache_reset() to ovpn_peer_reset_sockaddr() and slightly adjust ovpn_peer_endpoints_update() to avoid a double invocation. > > ... >> diff --git a/drivers/net/ovpn/peer.c b/drivers/net/ovpn/peer.c >> index 0d8b12fd5de4cd6fe15455b435c7d6807203a825..aead1d75400a604a320c886aed5308fb20475da3 100644 >> --- a/drivers/net/ovpn/peer.c >> +++ b/drivers/net/ovpn/peer.c > ... >> @@ -1335,8 +1356,11 @@ void ovpn_peer_keepalive_work(struct work_struct *work) >> netdev_dbg(ovpn->dev, >> "scheduling keepalive work: now=%llu next_run=%llu delta=%llu\n", >> next_run, now, next_run - now); >> + /* due to the waiting above, the next_run deadline may have >> + * passed: in this case we reschedule the worker immediately >> + */ >> schedule_delayed_work(&ovpn->keepalive_work, >> - (next_run - now) * HZ); >> + (now - next_run) * HZ); > > This whole hunk should be dropped, no? The comment is outdated, and > the sign swap is confusing me. ouch right. fix-during-rebase gone slightly wrong. Thanks! > -- Antonio Quartulli OpenVPN Inc.