diff options
| author | Wei Wang <weiwan@google.com> | 2020-08-19 14:13:54 -0700 |
|---|---|---|
| committer | David Ahern <dsahern@gmail.com> | 2020-09-08 20:36:06 -0600 |
| commit | ad34d5fadb0b4699b0fe136fc408685e26bb1b43 (patch) | |
| tree | f853fd9a6d994e1eeaaf7bd1723118f1c0b9d86f /misc | |
| parent | c8eb4b52c1b1b8520c4030d8f700ca7e520b6465 (diff) | |
| download | iproute2-ad34d5fadb0b4699b0fe136fc408685e26bb1b43.tar.gz | |
iproute2: ss: add support to expose various inet sockopts
This commit adds support to expose the following inet socket options:
-- recverr
-- is_icsk
-- freebind
-- hdrincl
-- mc_loop
-- transparent
-- mc_all
-- nodefrag
-- bind_address_no_port
-- recverr_rfc4884
-- defer_connect
with the option --inet-sockopt. The individual option is only shown
when set.
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/ss.c | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -114,6 +114,7 @@ static int sctp_ino; static int show_tipcinfo; static int show_tos; static int show_cgroup; +static int show_inet_sockopt; int oneline; enum col_id { @@ -3333,6 +3334,41 @@ static int inet_show_sock(struct nlmsghdr *nlh, out(" cgroup:%s", cg_id_to_path(rta_getattr_u64(tb[INET_DIAG_CGROUP_ID]))); } + if (show_inet_sockopt) { + if (tb[INET_DIAG_SOCKOPT] && RTA_PAYLOAD(tb[INET_DIAG_SOCKOPT]) >= + sizeof(struct inet_diag_sockopt)) { + const struct inet_diag_sockopt *sockopt = + RTA_DATA(tb[INET_DIAG_SOCKOPT]); + if (!oneline) + out("\n\tinet-sockopt: ("); + else + out(" inet-sockopt: ("); + if (sockopt->recverr) + out(" recverr"); + if (sockopt->is_icsk) + out(" is_icsk"); + if (sockopt->freebind) + out(" freebind"); + if (sockopt->hdrincl) + out(" hdrincl"); + if (sockopt->mc_loop) + out(" mc_loop"); + if (sockopt->transparent) + out(" transparent"); + if (sockopt->mc_all) + out(" mc_all"); + if (sockopt->nodefrag) + out(" nodefrag"); + if (sockopt->bind_address_no_port) + out(" bind_addr_no_port"); + if (sockopt->recverr_rfc4884) + out(" recverr_rfc4884"); + if (sockopt->defer_connect) + out(" defer_connect"); + out(")"); + } + } + if (show_mem || (show_tcpinfo && s->type != IPPROTO_UDP)) { if (!oneline) out("\n\t"); @@ -5210,6 +5246,7 @@ static void _usage(FILE *dest) " -K, --kill forcibly close sockets, display what was closed\n" " -H, --no-header Suppress header line\n" " -O, --oneline socket's data printed on a single line\n" +" --inet-sockopt show various inet socket options\n" "\n" " -A, --query=QUERY, --socket=QUERY\n" " QUERY := {all|inet|tcp|mptcp|udp|raw|unix|unix_dgram|unix_stream|unix_seqpacket|packet|netlink|vsock_stream|vsock_dgram|tipc}[,QUERY]\n" @@ -5299,6 +5336,8 @@ static int scan_state(const char *state) #define OPT_CGROUP 261 +#define OPT_INET_SOCKOPT 262 + static const struct option long_opts[] = { { "numeric", 0, 0, 'n' }, { "resolve", 0, 0, 'r' }, @@ -5341,6 +5380,7 @@ static const struct option long_opts[] = { { "xdp", 0, 0, OPT_XDPSOCK}, { "mptcp", 0, 0, 'M' }, { "oneline", 0, 0, 'O' }, + { "inet-sockopt", 0, 0, OPT_INET_SOCKOPT }, { 0 } }; @@ -5539,6 +5579,9 @@ int main(int argc, char *argv[]) case 'O': oneline = 1; break; + case OPT_INET_SOCKOPT: + show_inet_sockopt = 1; + break; case 'h': help(); case '?': |