static int clear_affinity(int ifindex, int protocol,
unsigned laddr, unsigned lport,
unsigned raddr, unsigned rport)
{
struct sfc_aff_clear sac;
int rc, affinity_fd;
if( (affinity_fd = get_affinity_fd()) < 0 )
return 0;
if( log_level )
printf("> %s %s:%d %s:%d ifindex %d clear\n", proto_to_str(protocol),
ip_str(laddr), ntohs(lport), ip_str(raddr), ntohs(rport), ifindex);
sac.ifindex = ifindex;
sac.protocol = protocol;
sac.daddr = laddr;
sac.dport = lport;
sac.saddr = raddr;
sac.sport = rport;
sac.err_out = sfc_aff_no_error;
rc = ioctl(affinity_fd, SFC_AFF_CLEAR, &sac);
if( sac.err_out != sfc_aff_no_error || rc != 0 ) {
err("%s: ERROR: Failed to clear affinity\n", me);
err("%s: %s %s:%d %s:%d ifindex %d\n", me, proto_to_str(protocol),
ip_str(laddr), ntohs(lport), ip_str(raddr), ntohs(rport), ifindex);
err("%s: errno=%d %s\n", me, errno, strerror(errno));
if( sac.err_out != sfc_aff_no_error )
err("%s: err=%d %s\n",
me, (int) sac.err_out, sfc_aff_err_msg(sac.err_out));
return 0;
}
return 1;
}
static void set_affinity(int type, unsigned laddr, unsigned lport,
unsigned raddr, unsigned rport)
{
struct sfc_aff_set sas;
int affinity_fd, ifindex;
int rc;
if( override_ifindex == -2 ) {
if( (ifindex = ip_to_ifindex(laddr)) < 0 ) {
E(fprintf(stderr, LPF "Could not find ifindex for "IP4_FMT"\n",
IP4_ARGS(laddr)));
return;
}
}
else {
ifindex = override_ifindex;
}
affinity_fd = get_affinity_fd();
if( affinity_fd < 0 )
return;
T(fprintf(stderr, LPF "%s(%s, "IP4PORT_FMT", "IP4PORT_FMT") => ifindex=%d\n",
__FUNCTION__, type == SOCK_STREAM ? "tcp":"udp",
IP4PORT_ARGS(laddr, lport), IP4PORT_ARGS(raddr, rport), ifindex));
sas.cpu = override_cpu;
sas.rxq = override_rxq;
sas.ifindex = ifindex;
sas.protocol = type == SOCK_STREAM ? IPPROTO_TCP : IPPROTO_UDP;
sas.daddr = laddr;
sas.dport = lport;
sas.saddr = raddr;
sas.sport = rport;
sas.err_out = sfc_aff_no_error;
rc = ioctl(affinity_fd, SFC_AFF_SET, &sas);
if( rc != 0 )
E(fprintf(stderr, LPF "Failed to set affinity (%d, %s) (%d, %s)\n",
errno, strerror(errno), (int) sas.err_out,
sfc_aff_err_msg(sas.err_out)));
}
static int set_affinity(int ifindex, int protocol,
unsigned laddr, unsigned lport,
unsigned raddr, unsigned rport, int rxq, int cpu)
{
struct sfc_aff_set sas;
int rc, affinity_fd;
if( (affinity_fd = get_affinity_fd()) < 0 )
return 0;
if( log_level )
printf("> %s %s:%d %s:%d ifindex %d rxq %d cpu %d\n",
proto_to_str(protocol), ip_str(laddr), ntohs(lport),
ip_str(raddr), ntohs(rport), ifindex, rxq, cpu);
sas.cpu = cpu;
sas.rxq = rxq;
sas.ifindex = ifindex;
sas.protocol = protocol;
sas.daddr = laddr;
sas.dport = lport;
sas.saddr = raddr;
sas.sport = rport;
sas.err_out = sfc_aff_no_error;
rc = ioctl(affinity_fd, SFC_AFF_SET, &sas);
if( sas.err_out != sfc_aff_no_error || rc != 0 ) {
err("%s: ERROR: Failed to set affinity\n", me);
err("%s: %s %s:%d %s:%d ifindex %d rxq %d cpu %d\n",
me, proto_to_str(protocol), ip_str(laddr), ntohs(lport), ip_str(raddr),
ntohs(rport), ifindex, rxq, cpu);
err("%s: errno=%d %s\n", me, errno, strerror(errno));
if( sas.err_out != sfc_aff_no_error )
err("%s: err=%d %s\n",
me, (int) sas.err_out, sfc_aff_err_msg(sas.err_out));
return 0;
}
return 1;
}
