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 do_clear_affinity(const char* protos, struct sockaddr_in la,
struct sockaddr_in ra)
{
int proto = str_to_proto(protos);
int i, ifindex;
refresh_ip_list();
if( la.sin_addr.s_addr == 0 ) {
for( i = 0; i < ip_list_n; ++i )
if( interface_driver_is(ip_list_name(i), "sfc") )
clear_affinity(interface_to_ifindex(ip_list_name(i)), proto,
ip_list_ip(i), la.sin_port,
ra.sin_addr.s_addr, ra.sin_port);
return 1;
}
else if( CI_IP_IS_MULTICAST(la.sin_addr.s_addr) ) {
for( i = 0; i < ip_list_n; ++i )
if( interface_is(ip_list_name(i), "sfc") )
clear_affinity(interface_to_ifindex(ip_list_name(i)), proto,
la.sin_addr.s_addr, la.sin_port,
ra.sin_addr.s_addr, ra.sin_port);
return 1;
}
else {
ifindex = ip_to_ifindex(la.sin_addr.s_addr);
if( ifindex < 0 ) {
err("%s: ERROR: Can't find interface for IP %s\n",
me, inet_ntoa(la.sin_addr));
return 0;
}
clear_affinity(ifindex, proto,
la.sin_addr.s_addr, la.sin_port,
ra.sin_addr.s_addr, ra.sin_port);
return 1;
}
}