tcp: add missing family to tcp_set_ca_state() tracepoint

Before this code is copied, add the missing family, as we did in
commit 3dd344e ("net: tracepoint: exposing sk_family in all tcp:tracepoints")

Fixes: 15fcdf6 ("tcp: Add tracepoint for tcp_set_ca_state")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ping Gan <jacky_gam_2001@163.com>
Cc: Manjusaka <me@manjusaka.me>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230808084923.2239142-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

include/trace/events/tcp.h

@@ -381,6 +381,7 @@ TRACE_EVENT(tcp_cong_state_set,
 		__field(const void *, skaddr)
 		__field(__u16, sport)
 		__field(__u16, dport)
+		__field(__u16, family)
 		__array(__u8, saddr, 4)
 		__array(__u8, daddr, 4)
 		__array(__u8, saddr_v6, 16)
@@ -396,6 +397,7 @@ TRACE_EVENT(tcp_cong_state_set,
 
 		__entry->sport = ntohs(inet->inet_sport);
 		__entry->dport = ntohs(inet->inet_dport);
+		__entry->family = sk->sk_family;
 
 		p32 = (__be32 *) __entry->saddr;
 		*p32 = inet->inet_saddr;
@@ -409,7 +411,8 @@ TRACE_EVENT(tcp_cong_state_set,
 		__entry->cong_state = ca_state;
 	),
 
-	TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c cong_state=%u",
+	TP_printk("family=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c cong_state=%u",
+		  show_family_name(__entry->family),
 		  __entry->sport, __entry->dport,
 		  __entry->saddr, __entry->daddr,
 		  __entry->saddr_v6, __entry->daddr_v6,