diff options
Diffstat (limited to 'shared/nm-ethtool-utils.c')
| -rw-r--r-- | shared/nm-ethtool-utils.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/shared/nm-ethtool-utils.c b/shared/nm-ethtool-utils.c new file mode 100644 index 00000000..d50695ae --- /dev/null +++ b/shared/nm-ethtool-utils.c @@ -0,0 +1,225 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ + +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * Copyright 2018 Red Hat, Inc. + */ + +#include "nm-default.h" + +#include "nm-ethtool-utils.h" + +#include "nm-setting-ethtool.h" + +/*****************************************************************************/ + +#define ETHT_DATA(xname) \ + [NM_ETHTOOL_ID_##xname] = (&((const NMEthtoolData) { \ + .optname = NM_ETHTOOL_OPTNAME_##xname, \ + .id = NM_ETHTOOL_ID_##xname, \ + })) + +const NMEthtoolData *const nm_ethtool_data[_NM_ETHTOOL_ID_NUM + 1] = { + /* indexed by NMEthtoolID */ + ETHT_DATA (FEATURE_ESP_HW_OFFLOAD), + ETHT_DATA (FEATURE_ESP_TX_CSUM_HW_OFFLOAD), + ETHT_DATA (FEATURE_FCOE_MTU), + ETHT_DATA (FEATURE_GRO), + ETHT_DATA (FEATURE_GSO), + ETHT_DATA (FEATURE_HIGHDMA), + ETHT_DATA (FEATURE_HW_TC_OFFLOAD), + ETHT_DATA (FEATURE_L2_FWD_OFFLOAD), + ETHT_DATA (FEATURE_LOOPBACK), + ETHT_DATA (FEATURE_LRO), + ETHT_DATA (FEATURE_NTUPLE), + ETHT_DATA (FEATURE_RX), + ETHT_DATA (FEATURE_RXHASH), + ETHT_DATA (FEATURE_RXVLAN), + ETHT_DATA (FEATURE_RX_ALL), + ETHT_DATA (FEATURE_RX_FCS), + ETHT_DATA (FEATURE_RX_GRO_HW), + ETHT_DATA (FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD), + ETHT_DATA (FEATURE_RX_VLAN_FILTER), + ETHT_DATA (FEATURE_RX_VLAN_STAG_FILTER), + ETHT_DATA (FEATURE_RX_VLAN_STAG_HW_PARSE), + ETHT_DATA (FEATURE_SG), + ETHT_DATA (FEATURE_TLS_HW_RECORD), + ETHT_DATA (FEATURE_TLS_HW_TX_OFFLOAD), + ETHT_DATA (FEATURE_TSO), + ETHT_DATA (FEATURE_TX), + ETHT_DATA (FEATURE_TXVLAN), + ETHT_DATA (FEATURE_TX_CHECKSUM_FCOE_CRC), + ETHT_DATA (FEATURE_TX_CHECKSUM_IPV4), + ETHT_DATA (FEATURE_TX_CHECKSUM_IPV6), + ETHT_DATA (FEATURE_TX_CHECKSUM_IP_GENERIC), + ETHT_DATA (FEATURE_TX_CHECKSUM_SCTP), + ETHT_DATA (FEATURE_TX_ESP_SEGMENTATION), + ETHT_DATA (FEATURE_TX_FCOE_SEGMENTATION), + ETHT_DATA (FEATURE_TX_GRE_CSUM_SEGMENTATION), + ETHT_DATA (FEATURE_TX_GRE_SEGMENTATION), + ETHT_DATA (FEATURE_TX_GSO_PARTIAL), + ETHT_DATA (FEATURE_TX_GSO_ROBUST), + ETHT_DATA (FEATURE_TX_IPXIP4_SEGMENTATION), + ETHT_DATA (FEATURE_TX_IPXIP6_SEGMENTATION), + ETHT_DATA (FEATURE_TX_NOCACHE_COPY), + ETHT_DATA (FEATURE_TX_SCATTER_GATHER), + ETHT_DATA (FEATURE_TX_SCATTER_GATHER_FRAGLIST), + ETHT_DATA (FEATURE_TX_SCTP_SEGMENTATION), + ETHT_DATA (FEATURE_TX_TCP6_SEGMENTATION), + ETHT_DATA (FEATURE_TX_TCP_ECN_SEGMENTATION), + ETHT_DATA (FEATURE_TX_TCP_MANGLEID_SEGMENTATION), + ETHT_DATA (FEATURE_TX_TCP_SEGMENTATION), + ETHT_DATA (FEATURE_TX_UDP_SEGMENTATION), + ETHT_DATA (FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION), + ETHT_DATA (FEATURE_TX_UDP_TNL_SEGMENTATION), + ETHT_DATA (FEATURE_TX_VLAN_STAG_HW_INSERT), + [_NM_ETHTOOL_ID_NUM] = NULL, +}; + +const guint8 const _by_name[_NM_ETHTOOL_ID_NUM] = { + /* sorted by optname. */ + NM_ETHTOOL_ID_FEATURE_ESP_HW_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_ESP_TX_CSUM_HW_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_FCOE_MTU, + NM_ETHTOOL_ID_FEATURE_GRO, + NM_ETHTOOL_ID_FEATURE_GSO, + NM_ETHTOOL_ID_FEATURE_HIGHDMA, + NM_ETHTOOL_ID_FEATURE_HW_TC_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_L2_FWD_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_LOOPBACK, + NM_ETHTOOL_ID_FEATURE_LRO, + NM_ETHTOOL_ID_FEATURE_NTUPLE, + NM_ETHTOOL_ID_FEATURE_RX, + NM_ETHTOOL_ID_FEATURE_RX_ALL, + NM_ETHTOOL_ID_FEATURE_RX_FCS, + NM_ETHTOOL_ID_FEATURE_RX_GRO_HW, + NM_ETHTOOL_ID_FEATURE_RX_UDP_TUNNEL_PORT_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_RX_VLAN_FILTER, + NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_FILTER, + NM_ETHTOOL_ID_FEATURE_RX_VLAN_STAG_HW_PARSE, + NM_ETHTOOL_ID_FEATURE_RXHASH, + NM_ETHTOOL_ID_FEATURE_RXVLAN, + NM_ETHTOOL_ID_FEATURE_SG, + NM_ETHTOOL_ID_FEATURE_TLS_HW_RECORD, + NM_ETHTOOL_ID_FEATURE_TLS_HW_TX_OFFLOAD, + NM_ETHTOOL_ID_FEATURE_TSO, + NM_ETHTOOL_ID_FEATURE_TX, + NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_FCOE_CRC, + NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IP_GENERIC, + NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV4, + NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_IPV6, + NM_ETHTOOL_ID_FEATURE_TX_CHECKSUM_SCTP, + NM_ETHTOOL_ID_FEATURE_TX_ESP_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_FCOE_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_GRE_CSUM_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_GRE_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_GSO_PARTIAL, + NM_ETHTOOL_ID_FEATURE_TX_GSO_ROBUST, + NM_ETHTOOL_ID_FEATURE_TX_IPXIP4_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_IPXIP6_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_NOCACHE_COPY, + NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER, + NM_ETHTOOL_ID_FEATURE_TX_SCATTER_GATHER_FRAGLIST, + NM_ETHTOOL_ID_FEATURE_TX_SCTP_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_TCP_ECN_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_TCP_MANGLEID_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_TCP_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_TCP6_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_UDP_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_CSUM_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_UDP_TNL_SEGMENTATION, + NM_ETHTOOL_ID_FEATURE_TX_VLAN_STAG_HW_INSERT, + NM_ETHTOOL_ID_FEATURE_TXVLAN, +}; + +/*****************************************************************************/ + +static void +_ASSERT_data (void) +{ +#if NM_MORE_ASSERTS > 10 + int i; + + G_STATIC_ASSERT_EXPR (_NM_ETHTOOL_ID_FIRST == 0); + G_STATIC_ASSERT_EXPR (_NM_ETHTOOL_ID_LAST == _NM_ETHTOOL_ID_NUM - 1); + G_STATIC_ASSERT_EXPR (_NM_ETHTOOL_ID_NUM > 0); + + nm_assert (NM_PTRARRAY_LEN (nm_ethtool_data) == _NM_ETHTOOL_ID_NUM); + nm_assert (G_N_ELEMENTS (_by_name) == _NM_ETHTOOL_ID_NUM); + nm_assert (G_N_ELEMENTS (nm_ethtool_data) == _NM_ETHTOOL_ID_NUM + 1); + + for (i = 0; i < _NM_ETHTOOL_ID_NUM; i++) { + const NMEthtoolData *d = nm_ethtool_data[i]; + + nm_assert (d); + nm_assert (d->id == (NMEthtoolID) i); + nm_assert (d->optname && d->optname[0]); + } + + for (i = 0; i < _NM_ETHTOOL_ID_NUM; i++) { + NMEthtoolID id = _by_name[i]; + const NMEthtoolData *d; + + nm_assert (id >= 0); + nm_assert (id < _NM_ETHTOOL_ID_NUM); + + d = nm_ethtool_data[id]; + if (i > 0) { + /* since we assert that all optnames are sorted strictly monotonically increasing, + * it also follows that there are no duplicates in the _by_name. + * It also follows, that all names in nm_ethtool_data are unique. */ + if (strcmp (nm_ethtool_data[_by_name[i - 1]]->optname, d->optname) >= 0) { + g_error ("nm_ethtool_data is not sorted asciibetically: %u/%s should be after %u/%s", + i - 1, nm_ethtool_data[_by_name[i - 1]]->optname, + i, d->optname); + } + } + } +#endif +} + +static int +_by_name_cmp (gconstpointer a, + gconstpointer b, + gpointer user_data) +{ + const guint8 *p_id = a; + const char *optname = b; + + nm_assert (p_id && p_id >= _by_name && p_id <= &_by_name[_NM_ETHTOOL_ID_NUM]); + nm_assert (*p_id < _NM_ETHTOOL_ID_NUM); + + return strcmp (nm_ethtool_data[*p_id]->optname, optname); +} + +const NMEthtoolData * +nm_ethtool_data_get_by_optname (const char *optname) +{ + gssize idx; + + nm_assert (optname); + + _ASSERT_data (); + + idx = nm_utils_array_find_binary_search ((gconstpointer *) _by_name, + sizeof (_by_name[0]), + _NM_ETHTOOL_ID_NUM, + optname, + _by_name_cmp, + NULL); + return (idx < 0) ? NULL : nm_ethtool_data[_by_name[idx]]; +} |