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/* -*- 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,
};
static const guint8 _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]];
}
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