| 1162 | } |
| 1163 | |
| 1164 | static uint16_t |
| 1165 | hpts_cpuid(struct inpcb *inp) |
| 1166 | { |
| 1167 | u_int cpuid; |
| 1168 | #if !defined(RSS) && defined(NUMA) |
| 1169 | struct hpts_domain_info *di; |
| 1170 | #endif |
| 1171 | |
| 1172 | /* |
| 1173 | * If one has been set use it i.e. we want both in and out on the |
| 1174 | * same hpts. |
| 1175 | */ |
| 1176 | if (inp->inp_input_cpu_set) { |
| 1177 | return (inp->inp_input_cpu); |
| 1178 | } else if (inp->inp_hpts_cpu_set) { |
| 1179 | return (inp->inp_hpts_cpu); |
| 1180 | } |
| 1181 | /* If one is set the other must be the same */ |
| 1182 | #ifdef RSS |
| 1183 | cpuid = rss_hash2cpuid(inp->inp_flowid, inp->inp_flowtype); |
| 1184 | if (cpuid == NETISR_CPUID_NONE) |
| 1185 | return (hpts_random_cpu(inp)); |
| 1186 | else |
| 1187 | return (cpuid); |
| 1188 | #else |
| 1189 | /* |
| 1190 | * We don't have a flowid -> cpuid mapping, so cheat and just map |
| 1191 | * unknown cpuids to curcpu. Not the best, but apparently better |
| 1192 | * than defaulting to swi 0. |
| 1193 | */ |
| 1194 | |
| 1195 | if (inp->inp_flowtype == M_HASHTYPE_NONE) |
| 1196 | return (hpts_random_cpu(inp)); |
| 1197 | /* |
| 1198 | * Hash to a thread based on the flowid. If we are using numa, |
| 1199 | * then restrict the hash to the numa domain where the inp lives. |
| 1200 | */ |
| 1201 | #ifdef NUMA |
| 1202 | if (tcp_bind_threads == 2 && inp->inp_numa_domain != M_NODOM) { |
| 1203 | di = &hpts_domains[inp->inp_numa_domain]; |
| 1204 | cpuid = di->cpu[inp->inp_flowid % di->count]; |
| 1205 | } else |
| 1206 | #endif |
| 1207 | cpuid = inp->inp_flowid % mp_ncpus; |
| 1208 | |
| 1209 | return (cpuid); |
| 1210 | #endif |
| 1211 | } |
| 1212 | |
| 1213 | static void |
| 1214 | tcp_drop_in_pkts(struct tcpcb *tp) |
no test coverage detected