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Split out virNetDevGetEthtoolFeatures

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Split out the features that we probe via various ethtool commands
and ETHTOOL_GFLAGS.
This commit is contained in:
Ján Tomko 2016-06-03 20:18:25 +02:00
parent 0a7da7882d
commit 970af4a69f
1 changed files with 59 additions and 48 deletions
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107
src/util/virnetdev.c
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@ -3266,6 +3266,64 @@ virNetDevFeatureAvailable(const char *ifname, struct ethtool_value *cmd)
}
static void
virNetDevGetEthtoolFeatures(virBitmapPtr bitmap,
const char *ifname)
{
size_t i;
struct ethtool_value cmd = { 0 };
/* legacy ethtool getters */
struct virNetDevEthtoolFeatureCmd ethtool_cmds[] = {
{ETHTOOL_GRXCSUM, VIR_NET_DEV_FEAT_GRXCSUM},
{ETHTOOL_GTXCSUM, VIR_NET_DEV_FEAT_GTXCSUM},
{ETHTOOL_GSG, VIR_NET_DEV_FEAT_GSG},
{ETHTOOL_GTSO, VIR_NET_DEV_FEAT_GTSO},
# if HAVE_DECL_ETHTOOL_GGSO
{ETHTOOL_GGSO, VIR_NET_DEV_FEAT_GGSO},
# endif
# if HAVE_DECL_ETHTOOL_GGRO
{ETHTOOL_GGRO, VIR_NET_DEV_FEAT_GGRO},
# endif
};
# if HAVE_DECL_ETHTOOL_GFLAGS
/* ethtool masks */
struct virNetDevEthtoolFeatureCmd flags[] = {
# if HAVE_DECL_ETH_FLAG_LRO
{ETH_FLAG_LRO, VIR_NET_DEV_FEAT_LRO},
# endif
# if HAVE_DECL_ETH_FLAG_TXVLAN
{ETH_FLAG_RXVLAN, VIR_NET_DEV_FEAT_RXVLAN},
{ETH_FLAG_TXVLAN, VIR_NET_DEV_FEAT_TXVLAN},
# endif
# if HAVE_DECL_ETH_FLAG_NTUBLE
{ETH_FLAG_NTUPLE, VIR_NET_DEV_FEAT_NTUPLE},
# endif
# if HAVE_DECL_ETH_FLAG_RXHASH
{ETH_FLAG_RXHASH, VIR_NET_DEV_FEAT_RXHASH},
# endif
};
# endif
for (i = 0; i < ARRAY_CARDINALITY(ethtool_cmds); i++) {
cmd.cmd = ethtool_cmds[i].cmd;
if (virNetDevFeatureAvailable(ifname, &cmd) == 1)
ignore_value(virBitmapSetBit(bitmap, ethtool_cmds[i].feat));
}
# if HAVE_DECL_ETHTOOL_GFLAGS
cmd.cmd = ETHTOOL_GFLAGS;
if (virNetDevFeatureAvailable(ifname, &cmd) == 1) {
for (i = 0; i < ARRAY_CARDINALITY(flags); i++) {
if (cmd.data & flags[i].cmd)
ignore_value(virBitmapSetBit(bitmap, flags[i].feat));
}
}
# endif
}
# if HAVE_DECL_ETHTOOL_GFEATURES
/**
* virNetDevGFeatureAvailable
@ -3303,24 +3361,9 @@ int
virNetDevGetFeatures(const char *ifname,
virBitmapPtr *out)
{
size_t i = -1;
struct ethtool_value cmd = { 0 };
# if HAVE_DECL_ETHTOOL_GFEATURES
struct ethtool_gfeatures *g_cmd;
# endif
/* legacy ethtool getters */
struct virNetDevEthtoolFeatureCmd cmds[] = {
{ETHTOOL_GRXCSUM, VIR_NET_DEV_FEAT_GRXCSUM},
{ETHTOOL_GTXCSUM, VIR_NET_DEV_FEAT_GTXCSUM},
{ETHTOOL_GSG, VIR_NET_DEV_FEAT_GSG},
{ETHTOOL_GTSO, VIR_NET_DEV_FEAT_GTSO},
# if HAVE_DECL_ETHTOOL_GGSO
{ETHTOOL_GGSO, VIR_NET_DEV_FEAT_GGSO},
# endif
# if HAVE_DECL_ETHTOOL_GGRO
{ETHTOOL_GGRO, VIR_NET_DEV_FEAT_GGRO},
# endif
};
if (!(*out = virBitmapNew(VIR_NET_DEV_FEAT_LAST)))
return -1;
@ -3331,39 +3374,7 @@ virNetDevGetFeatures(const char *ifname,
return 0;
}
for (i = 0; i < ARRAY_CARDINALITY(cmds); i++) {
cmd.cmd = cmds[i].cmd;
if (virNetDevFeatureAvailable(ifname, &cmd) == 1)
ignore_value(virBitmapSetBit(*out, cmds[i].feat));
}
# if HAVE_DECL_ETHTOOL_GFLAGS
size_t j = -1;
/* ethtool masks */
struct virNetDevEthtoolFeatureCmd flags[] = {
# if HAVE_DECL_ETH_FLAG_LRO
{ETH_FLAG_LRO, VIR_NET_DEV_FEAT_LRO},
# endif
# if HAVE_DECL_ETH_FLAG_TXVLAN
{ETH_FLAG_RXVLAN, VIR_NET_DEV_FEAT_RXVLAN},
{ETH_FLAG_TXVLAN, VIR_NET_DEV_FEAT_TXVLAN},
# endif
# if HAVE_DECL_ETH_FLAG_NTUBLE
{ETH_FLAG_NTUPLE, VIR_NET_DEV_FEAT_NTUPLE},
# endif
# if HAVE_DECL_ETH_FLAG_RXHASH
{ETH_FLAG_RXHASH, VIR_NET_DEV_FEAT_RXHASH},
# endif
};
cmd.cmd = ETHTOOL_GFLAGS;
if (virNetDevFeatureAvailable(ifname, &cmd) == 1) {
for (j = 0; j < ARRAY_CARDINALITY(flags); j++) {
if (cmd.data & flags[j].cmd)
ignore_value(virBitmapSetBit(*out, flags[j].feat));
}
}
# endif
virNetDevGetEthtoolFeatures(*out, ifname);
# if HAVE_DECL_ETHTOOL_GFEATURES
if (VIR_ALLOC_VAR(g_cmd,