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-rw-r--r--net/core/ethtool.c313
1 files changed, 3 insertions, 310 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index fd14116ad7f0..6cdba5fc2bed 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -169,18 +169,6 @@ int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
169} 169}
170EXPORT_SYMBOL(ethtool_op_set_flags); 170EXPORT_SYMBOL(ethtool_op_set_flags);
171 171
172void ethtool_ntuple_flush(struct net_device *dev)
173{
174 struct ethtool_rx_ntuple_flow_spec_container *fsc, *f;
175
176 list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) {
177 list_del(&fsc->list);
178 kfree(fsc);
179 }
180 dev->ethtool_ntuple_list.count = 0;
181}
182EXPORT_SYMBOL(ethtool_ntuple_flush);
183
184/* Handlers for each ethtool command */ 172/* Handlers for each ethtool command */
185 173
186#define ETHTOOL_DEV_FEATURE_WORDS 1 174#define ETHTOOL_DEV_FEATURE_WORDS 1
@@ -865,34 +853,6 @@ out:
865 return ret; 853 return ret;
866} 854}
867 855
868static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
869 struct ethtool_rx_ntuple_flow_spec *spec,
870 struct ethtool_rx_ntuple_flow_spec_container *fsc)
871{
872
873 /* don't add filters forever */
874 if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) {
875 /* free the container */
876 kfree(fsc);
877 return;
878 }
879
880 /* Copy the whole filter over */
881 fsc->fs.flow_type = spec->flow_type;
882 memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u));
883 memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u));
884
885 fsc->fs.vlan_tag = spec->vlan_tag;
886 fsc->fs.vlan_tag_mask = spec->vlan_tag_mask;
887 fsc->fs.data = spec->data;
888 fsc->fs.data_mask = spec->data_mask;
889 fsc->fs.action = spec->action;
890
891 /* add to the list */
892 list_add_tail_rcu(&fsc->list, &list->list);
893 list->count++;
894}
895
896/* 856/*
897 * ethtool does not (or did not) set masks for flow parameters that are 857 * ethtool does not (or did not) set masks for flow parameters that are
898 * not specified, so if both value and mask are 0 then this must be 858 * not specified, so if both value and mask are 0 then this must be
@@ -930,8 +890,6 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
930{ 890{
931 struct ethtool_rx_ntuple cmd; 891 struct ethtool_rx_ntuple cmd;
932 const struct ethtool_ops *ops = dev->ethtool_ops; 892 const struct ethtool_ops *ops = dev->ethtool_ops;
933 struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL;
934 int ret;
935 893
936 if (!ops->set_rx_ntuple) 894 if (!ops->set_rx_ntuple)
937 return -EOPNOTSUPP; 895 return -EOPNOTSUPP;
@@ -944,269 +902,7 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
944 902
945 rx_ntuple_fix_masks(&cmd.fs); 903 rx_ntuple_fix_masks(&cmd.fs);
946 904
947 /* 905 return ops->set_rx_ntuple(dev, &cmd);
948 * Cache filter in dev struct for GET operation only if
949 * the underlying driver doesn't have its own GET operation, and
950 * only if the filter was added successfully. First make sure we
951 * can allocate the filter, then continue if successful.
952 */
953 if (!ops->get_rx_ntuple) {
954 fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC);
955 if (!fsc)
956 return -ENOMEM;
957 }
958
959 ret = ops->set_rx_ntuple(dev, &cmd);
960 if (ret) {
961 kfree(fsc);
962 return ret;
963 }
964
965 if (!ops->get_rx_ntuple)
966 __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc);
967
968 return ret;
969}
970
971static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr)
972{
973 struct ethtool_gstrings gstrings;
974 const struct ethtool_ops *ops = dev->ethtool_ops;
975 struct ethtool_rx_ntuple_flow_spec_container *fsc;
976 u8 *data;
977 char *p;
978 int ret, i, num_strings = 0;
979
980 if (!ops->get_sset_count)
981 return -EOPNOTSUPP;
982
983 if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
984 return -EFAULT;
985
986 ret = ops->get_sset_count(dev, gstrings.string_set);
987 if (ret < 0)
988 return ret;
989
990 gstrings.len = ret;
991
992 data = kzalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
993 if (!data)
994 return -ENOMEM;
995
996 if (ops->get_rx_ntuple) {
997 /* driver-specific filter grab */
998 ret = ops->get_rx_ntuple(dev, gstrings.string_set, data);
999 goto copy;
1000 }
1001
1002 /* default ethtool filter grab */
1003 i = 0;
1004 p = (char *)data;
1005 list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) {
1006 sprintf(p, "Filter %d:\n", i);
1007 p += ETH_GSTRING_LEN;
1008 num_strings++;
1009
1010 switch (fsc->fs.flow_type) {
1011 case TCP_V4_FLOW:
1012 sprintf(p, "\tFlow Type: TCP\n");
1013 p += ETH_GSTRING_LEN;
1014 num_strings++;
1015 break;
1016 case UDP_V4_FLOW:
1017 sprintf(p, "\tFlow Type: UDP\n");
1018 p += ETH_GSTRING_LEN;
1019 num_strings++;
1020 break;
1021 case SCTP_V4_FLOW:
1022 sprintf(p, "\tFlow Type: SCTP\n");
1023 p += ETH_GSTRING_LEN;
1024 num_strings++;
1025 break;
1026 case AH_ESP_V4_FLOW:
1027 sprintf(p, "\tFlow Type: AH ESP\n");
1028 p += ETH_GSTRING_LEN;
1029 num_strings++;
1030 break;
1031 case ESP_V4_FLOW:
1032 sprintf(p, "\tFlow Type: ESP\n");
1033 p += ETH_GSTRING_LEN;
1034 num_strings++;
1035 break;
1036 case IP_USER_FLOW:
1037 sprintf(p, "\tFlow Type: Raw IP\n");
1038 p += ETH_GSTRING_LEN;
1039 num_strings++;
1040 break;
1041 case IPV4_FLOW:
1042 sprintf(p, "\tFlow Type: IPv4\n");
1043 p += ETH_GSTRING_LEN;
1044 num_strings++;
1045 break;
1046 default:
1047 sprintf(p, "\tFlow Type: Unknown\n");
1048 p += ETH_GSTRING_LEN;
1049 num_strings++;
1050 goto unknown_filter;
1051 }
1052
1053 /* now the rest of the filters */
1054 switch (fsc->fs.flow_type) {
1055 case TCP_V4_FLOW:
1056 case UDP_V4_FLOW:
1057 case SCTP_V4_FLOW:
1058 sprintf(p, "\tSrc IP addr: 0x%x\n",
1059 fsc->fs.h_u.tcp_ip4_spec.ip4src);
1060 p += ETH_GSTRING_LEN;
1061 num_strings++;
1062 sprintf(p, "\tSrc IP mask: 0x%x\n",
1063 fsc->fs.m_u.tcp_ip4_spec.ip4src);
1064 p += ETH_GSTRING_LEN;
1065 num_strings++;
1066 sprintf(p, "\tDest IP addr: 0x%x\n",
1067 fsc->fs.h_u.tcp_ip4_spec.ip4dst);
1068 p += ETH_GSTRING_LEN;
1069 num_strings++;
1070 sprintf(p, "\tDest IP mask: 0x%x\n",
1071 fsc->fs.m_u.tcp_ip4_spec.ip4dst);
1072 p += ETH_GSTRING_LEN;
1073 num_strings++;
1074 sprintf(p, "\tSrc Port: %d, mask: 0x%x\n",
1075 fsc->fs.h_u.tcp_ip4_spec.psrc,
1076 fsc->fs.m_u.tcp_ip4_spec.psrc);
1077 p += ETH_GSTRING_LEN;
1078 num_strings++;
1079 sprintf(p, "\tDest Port: %d, mask: 0x%x\n",
1080 fsc->fs.h_u.tcp_ip4_spec.pdst,
1081 fsc->fs.m_u.tcp_ip4_spec.pdst);
1082 p += ETH_GSTRING_LEN;
1083 num_strings++;
1084 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
1085 fsc->fs.h_u.tcp_ip4_spec.tos,
1086 fsc->fs.m_u.tcp_ip4_spec.tos);
1087 p += ETH_GSTRING_LEN;
1088 num_strings++;
1089 break;
1090 case AH_ESP_V4_FLOW:
1091 case ESP_V4_FLOW:
1092 sprintf(p, "\tSrc IP addr: 0x%x\n",
1093 fsc->fs.h_u.ah_ip4_spec.ip4src);
1094 p += ETH_GSTRING_LEN;
1095 num_strings++;
1096 sprintf(p, "\tSrc IP mask: 0x%x\n",
1097 fsc->fs.m_u.ah_ip4_spec.ip4src);
1098 p += ETH_GSTRING_LEN;
1099 num_strings++;
1100 sprintf(p, "\tDest IP addr: 0x%x\n",
1101 fsc->fs.h_u.ah_ip4_spec.ip4dst);
1102 p += ETH_GSTRING_LEN;
1103 num_strings++;
1104 sprintf(p, "\tDest IP mask: 0x%x\n",
1105 fsc->fs.m_u.ah_ip4_spec.ip4dst);
1106 p += ETH_GSTRING_LEN;
1107 num_strings++;
1108 sprintf(p, "\tSPI: %d, mask: 0x%x\n",
1109 fsc->fs.h_u.ah_ip4_spec.spi,
1110 fsc->fs.m_u.ah_ip4_spec.spi);
1111 p += ETH_GSTRING_LEN;
1112 num_strings++;
1113 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
1114 fsc->fs.h_u.ah_ip4_spec.tos,
1115 fsc->fs.m_u.ah_ip4_spec.tos);
1116 p += ETH_GSTRING_LEN;
1117 num_strings++;
1118 break;
1119 case IP_USER_FLOW:
1120 sprintf(p, "\tSrc IP addr: 0x%x\n",
1121 fsc->fs.h_u.usr_ip4_spec.ip4src);
1122 p += ETH_GSTRING_LEN;
1123 num_strings++;
1124 sprintf(p, "\tSrc IP mask: 0x%x\n",
1125 fsc->fs.m_u.usr_ip4_spec.ip4src);
1126 p += ETH_GSTRING_LEN;
1127 num_strings++;
1128 sprintf(p, "\tDest IP addr: 0x%x\n",
1129 fsc->fs.h_u.usr_ip4_spec.ip4dst);
1130 p += ETH_GSTRING_LEN;
1131 num_strings++;
1132 sprintf(p, "\tDest IP mask: 0x%x\n",
1133 fsc->fs.m_u.usr_ip4_spec.ip4dst);
1134 p += ETH_GSTRING_LEN;
1135 num_strings++;
1136 break;
1137 case IPV4_FLOW:
1138 sprintf(p, "\tSrc IP addr: 0x%x\n",
1139 fsc->fs.h_u.usr_ip4_spec.ip4src);
1140 p += ETH_GSTRING_LEN;
1141 num_strings++;
1142 sprintf(p, "\tSrc IP mask: 0x%x\n",
1143 fsc->fs.m_u.usr_ip4_spec.ip4src);
1144 p += ETH_GSTRING_LEN;
1145 num_strings++;
1146 sprintf(p, "\tDest IP addr: 0x%x\n",
1147 fsc->fs.h_u.usr_ip4_spec.ip4dst);
1148 p += ETH_GSTRING_LEN;
1149 num_strings++;
1150 sprintf(p, "\tDest IP mask: 0x%x\n",
1151 fsc->fs.m_u.usr_ip4_spec.ip4dst);
1152 p += ETH_GSTRING_LEN;
1153 num_strings++;
1154 sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n",
1155 fsc->fs.h_u.usr_ip4_spec.l4_4_bytes,
1156 fsc->fs.m_u.usr_ip4_spec.l4_4_bytes);
1157 p += ETH_GSTRING_LEN;
1158 num_strings++;
1159 sprintf(p, "\tTOS: %d, mask: 0x%x\n",
1160 fsc->fs.h_u.usr_ip4_spec.tos,
1161 fsc->fs.m_u.usr_ip4_spec.tos);
1162 p += ETH_GSTRING_LEN;
1163 num_strings++;
1164 sprintf(p, "\tIP Version: %d, mask: 0x%x\n",
1165 fsc->fs.h_u.usr_ip4_spec.ip_ver,
1166 fsc->fs.m_u.usr_ip4_spec.ip_ver);
1167 p += ETH_GSTRING_LEN;
1168 num_strings++;
1169 sprintf(p, "\tProtocol: %d, mask: 0x%x\n",
1170 fsc->fs.h_u.usr_ip4_spec.proto,
1171 fsc->fs.m_u.usr_ip4_spec.proto);
1172 p += ETH_GSTRING_LEN;
1173 num_strings++;
1174 break;
1175 }
1176 sprintf(p, "\tVLAN: %d, mask: 0x%x\n",
1177 fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask);
1178 p += ETH_GSTRING_LEN;
1179 num_strings++;
1180 sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data);
1181 p += ETH_GSTRING_LEN;
1182 num_strings++;
1183 sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask);
1184 p += ETH_GSTRING_LEN;
1185 num_strings++;
1186 if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
1187 sprintf(p, "\tAction: Drop\n");
1188 else
1189 sprintf(p, "\tAction: Direct to queue %d\n",
1190 fsc->fs.action);
1191 p += ETH_GSTRING_LEN;
1192 num_strings++;
1193unknown_filter:
1194 i++;
1195 }
1196copy:
1197 /* indicate to userspace how many strings we actually have */
1198 gstrings.len = num_strings;
1199 ret = -EFAULT;
1200 if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
1201 goto out;
1202 useraddr += sizeof(gstrings);
1203 if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
1204 goto out;
1205 ret = 0;
1206
1207out:
1208 kfree(data);
1209 return ret;
1210} 906}
1211 907
1212static int ethtool_get_regs(struct net_device *dev, char __user *useraddr) 908static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
@@ -1227,7 +923,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
1227 regs.len = reglen; 923 regs.len = reglen;
1228 924
1229 regbuf = vzalloc(reglen); 925 regbuf = vzalloc(reglen);
1230 if (!regbuf) 926 if (reglen && !regbuf)
1231 return -ENOMEM; 927 return -ENOMEM;
1232 928
1233 ops->get_regs(dev, &regs, regbuf); 929 ops->get_regs(dev, &regs, regbuf);
@@ -1236,7 +932,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
1236 if (copy_to_user(useraddr, &regs, sizeof(regs))) 932 if (copy_to_user(useraddr, &regs, sizeof(regs)))
1237 goto out; 933 goto out;
1238 useraddr += offsetof(struct ethtool_regs, data); 934 useraddr += offsetof(struct ethtool_regs, data);
1239 if (copy_to_user(useraddr, regbuf, regs.len)) 935 if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
1240 goto out; 936 goto out;
1241 ret = 0; 937 ret = 0;
1242 938
@@ -2101,9 +1797,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
2101 case ETHTOOL_SRXNTUPLE: 1797 case ETHTOOL_SRXNTUPLE:
2102 rc = ethtool_set_rx_ntuple(dev, useraddr); 1798 rc = ethtool_set_rx_ntuple(dev, useraddr);
2103 break; 1799 break;
2104 case ETHTOOL_GRXNTUPLE:
2105 rc = ethtool_get_rx_ntuple(dev, useraddr);
2106 break;
2107 case ETHTOOL_GSSET_INFO: 1800 case ETHTOOL_GSSET_INFO:
2108 rc = ethtool_get_sset_info(dev, useraddr); 1801 rc = ethtool_get_sset_info(dev, useraddr);
2109 break; 1802 break;
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-22 11:13:17 -0500