[dpdk-dev] [PATCH] net/ixgbe: enable x550 flexible byte filter
Zhao1, Wei
wei.zhao1 at intel.com
Tue Dec 25 03:04:49 CET 2018
Hi, qi
> -----Original Message-----
> From: Zhang, Qi Z
> Sent: Monday, December 24, 2018 8:13 PM
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Cc: adrien.mazarguil at 6wind.com; stable at dpdk.org; Lu, Wenzhuo
> <wenzhuo.lu at intel.com>
> Subject: RE: [PATCH] net/ixgbe: enable x550 flexible byte filter
>
> Hi Wei:
>
> > -----Original Message-----
> > From: Zhao1, Wei
> > Sent: Monday, December 17, 2018 1:53 PM
> > To: dev at dpdk.org
> > Cc: adrien.mazarguil at 6wind.com; stable at dpdk.org; Lu, Wenzhuo
> > <wenzhuo.lu at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>; Zhao1, Wei
> > <wei.zhao1 at intel.com>
> > Subject: [PATCH] net/ixgbe: enable x550 flexible byte filter
> >
> > There is need for users to use flexible byte filter on x550.
> > This patch enable it.
>
> It's difficult for me review a large patch without understand the purpose
> clearly.
> For the description here, my understanding is you just try to enable an
> existing feature for a specific device ID.
> But why we have so much changes in your patch, would you explain more
> detail about what is the gap here?
It is because ixgbe flow parer code do not support tunnel mode flexible byte filter for x550,
So I have to enable it in ixgbe_parse_fdir_filter_tunnel().
> BTW, it's better to separate the patch into two patches, one for fdir layer and
> one for rte_flow layer.
Yes, I will split it in v2, also I will add some code for flow CLI for parser HEX number, in order to not using string which pass ASIC number.
>
> Thanks
> Qi
> >
> > Fixes: 82fb702077f6 ("ixgbe: support new flow director modes for
> > X550")
> > Fixes: 11777435c727 ("net/ixgbe: parse flow director filter")
> >
> > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> > ---
> > drivers/net/ixgbe/ixgbe_fdir.c | 9 +-
> > drivers/net/ixgbe/ixgbe_flow.c | 274
> > ++++++++++++++++++++++++++++-------------
> > 2 files changed, 195 insertions(+), 88 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_fdir.c
> > b/drivers/net/ixgbe/ixgbe_fdir.c index
> > e559f0f..deb9a21 100644
> > --- a/drivers/net/ixgbe/ixgbe_fdir.c
> > +++ b/drivers/net/ixgbe/ixgbe_fdir.c
> > @@ -307,6 +307,8 @@ fdir_set_input_mask_82599(struct rte_eth_dev
> *dev)
> > /* flex byte mask */
> > if (info->mask.flex_bytes_mask == 0)
> > fdirm |= IXGBE_FDIRM_FLEX;
> > + if (info->mask.src_ipv4_mask == 0 && info->mask.dst_ipv4_mask ==
> 0)
> > + fdirm |= IXGBE_FDIRM_L3P;
> >
> > IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
> >
> > @@ -356,8 +358,7 @@ fdir_set_input_mask_x550(struct rte_eth_dev
> *dev)
> > /* mask VM pool and DIPv6 since there are currently not supported
> > * mask FLEX byte, it will be set in flex_conf
> > */
> > - uint32_t fdirm = IXGBE_FDIRM_POOL | IXGBE_FDIRM_DIPv6 |
> > - IXGBE_FDIRM_FLEX;
> > + uint32_t fdirm = IXGBE_FDIRM_POOL | IXGBE_FDIRM_DIPv6;
> > uint32_t fdiripv6m;
> > enum rte_fdir_mode mode = dev->data->dev_conf.fdir_conf.mode;
> > uint16_t mac_mask;
> > @@ -385,6 +386,10 @@ fdir_set_input_mask_x550(struct rte_eth_dev
> *dev)
> > return -EINVAL;
> > }
> >
> > + /* flex byte mask */
> > + if (info->mask.flex_bytes_mask == 0)
> > + fdirm |= IXGBE_FDIRM_FLEX;
> > +
> > IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
> >
> > fdiripv6m = ((u32)0xFFFFU << IXGBE_FDIRIP6M_DIPM_SHIFT); diff --
> git
> > a/drivers/net/ixgbe/ixgbe_flow.c b/drivers/net/ixgbe/ixgbe_flow.c
> > index
> > f0fafeb..dc210c5 100644
> > --- a/drivers/net/ixgbe/ixgbe_flow.c
> > +++ b/drivers/net/ixgbe/ixgbe_flow.c
> > @@ -1622,9 +1622,9 @@ ixgbe_parse_fdir_filter_normal(struct
> > rte_eth_dev *dev,
> > const struct rte_flow_item_raw *raw_mask;
> > const struct rte_flow_item_raw *raw_spec;
> > uint8_t j;
> > -
> > struct ixgbe_hw *hw =
> > IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> >
> > +
> > if (!pattern) {
> > rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_ITEM_NUM,
> > @@ -1651,9 +1651,7 @@ ixgbe_parse_fdir_filter_normal(struct
> > rte_eth_dev *dev,
> > * value. So, we need not do anything for the not provided fields
> later.
> > */
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - memset(&rule->mask, 0xFF, sizeof(struct ixgbe_hw_fdir_mask));
> > - rule->mask.vlan_tci_mask = 0;
> > - rule->mask.flex_bytes_mask = 0;
> > + memset(&rule->mask, 0, sizeof(struct ixgbe_hw_fdir_mask));
> >
> > /**
> > * The first not void item should be @@ -1665,7 +1663,8 @@
> > ixgbe_parse_fdir_filter_normal(struct rte_eth_dev *dev,
> > item->type != RTE_FLOW_ITEM_TYPE_IPV6 &&
> > item->type != RTE_FLOW_ITEM_TYPE_TCP &&
> > item->type != RTE_FLOW_ITEM_TYPE_UDP &&
> > - item->type != RTE_FLOW_ITEM_TYPE_SCTP) {
> > + item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
> > + item->type != RTE_FLOW_ITEM_TYPE_RAW) {
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_ITEM,
> > @@ -2201,6 +2200,7 @@ ixgbe_parse_fdir_filter_normal(struct
> > rte_eth_dev *dev,
> > }
> >
> > raw_mask = item->mask;
> > + rule->b_mask = TRUE;
> >
> > /* check mask */
> > if (raw_mask->relative != 0x1 ||
> > @@ -2217,6 +2217,7 @@ ixgbe_parse_fdir_filter_normal(struct
> > rte_eth_dev *dev,
> > }
> >
> > raw_spec = item->spec;
> > + rule->b_spec = TRUE;
> >
> > /* check spec */
> > if (raw_spec->relative != 0 ||
> > @@ -2323,6 +2324,8 @@ ixgbe_parse_fdir_filter_tunnel(const struct
> > rte_flow_attr *attr,
> > const struct rte_flow_item_eth *eth_mask;
> > const struct rte_flow_item_vlan *vlan_spec;
> > const struct rte_flow_item_vlan *vlan_mask;
> > + const struct rte_flow_item_raw *raw_mask;
> > + const struct rte_flow_item_raw *raw_spec;
> > uint32_t j;
> >
> > if (!pattern) {
> > @@ -2351,8 +2354,7 @@ ixgbe_parse_fdir_filter_tunnel(const struct
> > rte_flow_attr *attr,
> > * value. So, we need not do anything for the not provided fields
> later.
> > */
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - memset(&rule->mask, 0xFF, sizeof(struct ixgbe_hw_fdir_mask));
> > - rule->mask.vlan_tci_mask = 0;
> > + memset(&rule->mask, 0, sizeof(struct ixgbe_hw_fdir_mask));
> >
> > /**
> > * The first not void item should be @@ -2364,7 +2366,8 @@
> > ixgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr *attr,
> > item->type != RTE_FLOW_ITEM_TYPE_IPV6 &&
> > item->type != RTE_FLOW_ITEM_TYPE_UDP &&
> > item->type != RTE_FLOW_ITEM_TYPE_VXLAN &&
> > - item->type != RTE_FLOW_ITEM_TYPE_NVGRE) {
> > + item->type != RTE_FLOW_ITEM_TYPE_NVGRE &&
> > + item->type != RTE_FLOW_ITEM_TYPE_RAW) {
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_ITEM,
> > @@ -2520,6 +2523,18 @@ ixgbe_parse_fdir_filter_tunnel(const struct
> > rte_flow_attr *attr,
> > &rule->ixgbe_fdir.formatted.tni_vni),
> > vxlan_spec->vni, RTE_DIM(vxlan_spec->vni));
> > }
> > + /* check if the next not void item is MAC VLAN RAW or
> END*/
> > + item = next_no_void_pattern(pattern, item);
> > + if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
> > + item->type != RTE_FLOW_ITEM_TYPE_VLAN &&
> > + item->type != RTE_FLOW_ITEM_TYPE_RAW &&
> > + item->type != RTE_FLOW_ITEM_TYPE_END){
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > }
> >
> > /* Get the NVGRE info */
> > @@ -2616,16 +2631,19 @@ ixgbe_parse_fdir_filter_tunnel(const struct
> > rte_flow_attr *attr,
> > rte_memcpy(&rule->ixgbe_fdir.formatted.tni_vni,
> > nvgre_spec->tni, RTE_DIM(nvgre_spec->tni));
> > }
> > - }
> >
> > - /* check if the next not void item is MAC */
> > - item = next_no_void_pattern(pattern, item);
> > - if (item->type != RTE_FLOW_ITEM_TYPE_ETH) {
> > - memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - rte_flow_error_set(error, EINVAL,
> > - RTE_FLOW_ERROR_TYPE_ITEM,
> > - item, "Not supported by fdir filter");
> > - return -rte_errno;
> > + /* check if the next not void item is MAC VLAN RAW or
> END*/
> > + item = next_no_void_pattern(pattern, item);
> > + if (item->type != RTE_FLOW_ITEM_TYPE_ETH &&
> > + item->type != RTE_FLOW_ITEM_TYPE_VLAN &&
> > + item->type != RTE_FLOW_ITEM_TYPE_RAW &&
> > + item->type != RTE_FLOW_ITEM_TYPE_END){
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > }
> >
> > /**
> > @@ -2633,92 +2651,91 @@ ixgbe_parse_fdir_filter_tunnel(const struct
> > rte_flow_attr *attr,
> > * others should be masked.
> > */
> >
> > - if (!item->mask) {
> > - memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - rte_flow_error_set(error, EINVAL,
> > - RTE_FLOW_ERROR_TYPE_ITEM,
> > - item, "Not supported by fdir filter");
> > - return -rte_errno;
> > - }
> > - /*Not supported last point for range*/
> > - if (item->last) {
> > - rte_flow_error_set(error, EINVAL,
> > - RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> > - item, "Not supported last point for range");
> > - return -rte_errno;
> > - }
> > - rule->b_mask = TRUE;
> > - eth_mask = item->mask;
> > -
> > - /* Ether type should be masked. */
> > - if (eth_mask->type) {
> > - memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - rte_flow_error_set(error, EINVAL,
> > - RTE_FLOW_ERROR_TYPE_ITEM,
> > - item, "Not supported by fdir filter");
> > - return -rte_errno;
> > - }
> > -
> > - /* src MAC address should be masked. */
> > - for (j = 0; j < ETHER_ADDR_LEN; j++) {
> > - if (eth_mask->src.addr_bytes[j]) {
> > - memset(rule, 0,
> > - sizeof(struct ixgbe_fdir_rule));
> > + if (item->type == RTE_FLOW_ITEM_TYPE_ETH) {
> > + if (!item->mask) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_ITEM,
> > item, "Not supported by fdir filter");
> > return -rte_errno;
> > }
> > - }
> > - rule->mask.mac_addr_byte_mask = 0;
> > - for (j = 0; j < ETHER_ADDR_LEN; j++) {
> > - /* It's a per byte mask. */
> > - if (eth_mask->dst.addr_bytes[j] == 0xFF) {
> > - rule->mask.mac_addr_byte_mask |= 0x1 << j;
> > - } else if (eth_mask->dst.addr_bytes[j]) {
> > - memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + /*Not supported last point for range*/
> > + if (item->last) {
> > rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> > + item, "Not supported last point for range");
> > + return -rte_errno;
> > + }
> > + rule->b_mask = TRUE;
> > + eth_mask = item->mask;
> > +
> > + /* Ether type should be masked. */
> > + if (eth_mask->type) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_ITEM,
> > item, "Not supported by fdir filter");
> > return -rte_errno;
> > }
> > - }
> >
> > - /* When no vlan, considered as full mask. */
> > - rule->mask.vlan_tci_mask = rte_cpu_to_be_16(0xEFFF);
> > -
> > - if (item->spec) {
> > - rule->b_spec = TRUE;
> > - eth_spec = item->spec;
> > -
> > - /* Get the dst MAC. */
> > + /* src MAC address should be masked. */
> > for (j = 0; j < ETHER_ADDR_LEN; j++) {
> > - rule->ixgbe_fdir.formatted.inner_mac[j] =
> > - eth_spec->dst.addr_bytes[j];
> > + if (eth_mask->src.addr_bytes[j]) {
> > + memset(rule, 0,
> > + sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > + }
> > + for (j = 0; j < ETHER_ADDR_LEN; j++) {
> > + /* It's a per byte mask. */
> > + if (eth_mask->dst.addr_bytes[j] == 0xFF) {
> > + rule->mask.mac_addr_byte_mask |= 0x1 << j;
> > + } else if (eth_mask->dst.addr_bytes[j]) {
> > + memset(rule, 0, sizeof(struct
> ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > }
> > - }
> >
> > - /**
> > - * Check if the next not void item is vlan or ipv4.
> > - * IPv6 is not supported.
> > - */
> > - item = next_no_void_pattern(pattern, item);
> > - if ((item->type != RTE_FLOW_ITEM_TYPE_VLAN) &&
> > - (item->type != RTE_FLOW_ITEM_TYPE_IPV4)) {
> > - memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > - rte_flow_error_set(error, EINVAL,
> > - RTE_FLOW_ERROR_TYPE_ITEM,
> > - item, "Not supported by fdir filter");
> > - return -rte_errno;
> > - }
> > - /*Not supported last point for range*/
> > - if (item->last) {
> > - rte_flow_error_set(error, EINVAL,
> > + if (item->spec) {
> > + rule->b_spec = TRUE;
> > + eth_spec = item->spec;
> > +
> > + /* Get the dst MAC. */
> > + for (j = 0; j < ETHER_ADDR_LEN; j++) {
> > + rule->ixgbe_fdir.formatted.inner_mac[j] =
> > + eth_spec->dst.addr_bytes[j];
> > + }
> > + }
> > + /**
> > + * Check if the next not void item is vlan or ipv4.
> > + * IPv6 is not supported.
> > + */
> > + item = next_no_void_pattern(pattern, item);
> > + if (item->type != RTE_FLOW_ITEM_TYPE_VLAN &&
> > + item->type != RTE_FLOW_ITEM_TYPE_RAW &&
> > + item->type != RTE_FLOW_ITEM_TYPE_END) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > + /*Not supported last point for range*/
> > + if (item->last) {
> > + rte_flow_error_set(error, EINVAL,
> > RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> > item, "Not supported last point for range");
> > - return -rte_errno;
> > + return -rte_errno;
> > + }
> > }
> >
> > +
> > if (item->type == RTE_FLOW_ITEM_TYPE_VLAN) {
> > if (!(item->spec && item->mask)) {
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule)); @@ -
> 2736,10
> > +2753,90 @@ ixgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr
> > +*attr,
> > rule->mask.vlan_tci_mask = vlan_mask->tci;
> > rule->mask.vlan_tci_mask &= rte_cpu_to_be_16(0xEFFF);
> > /* More than one tags are not supported. */
> > + item = next_no_void_pattern(pattern, item);
> > + if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
> > + item->type != RTE_FLOW_ITEM_TYPE_END) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > + }
> > +
> > + /* Get the flex byte info */
> > + if (item->type == RTE_FLOW_ITEM_TYPE_RAW) {
> > + /* Not supported last point for range*/
> > + if (item->last) {
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
> > + item, "Not supported last point for range");
> > + return -rte_errno;
> > + }
> > + /* mask should not be null */
> > + if (!item->mask || !item->spec) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > +
> > + raw_mask = item->mask;
> > + rule->b_mask = TRUE;
> >
> > + /* check mask */
> > + if (raw_mask->relative != 0x1 ||
> > + raw_mask->search != 0x1 ||
> > + raw_mask->reserved != 0x0 ||
> > + (uint32_t)raw_mask->offset != 0xffffffff ||
> > + raw_mask->limit != 0xffff ||
> > + raw_mask->length != 0xffff) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > +
> > + raw_spec = item->spec;
> > + rule->b_spec = TRUE;
> > +
> > + /* check spec */
> > + if (raw_spec->relative != 0 ||
> > + raw_spec->search != 0 ||
> > + raw_spec->reserved != 0 ||
> > + raw_spec->offset > IXGBE_MAX_FLX_SOURCE_OFF ||
> > + raw_spec->offset % 2 ||
> > + raw_spec->limit != 0 ||
> > + raw_spec->length != 2 ||
> > + /* pattern can't be 0xffff */
> > + (raw_spec->pattern[0] == 0xff &&
> > + raw_spec->pattern[1] == 0xff)) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > +
> > + /* check pattern mask */
> > + if (raw_mask->pattern[0] != 0xff ||
> > + raw_mask->pattern[1] != 0xff) {
> > + memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > + rte_flow_error_set(error, EINVAL,
> > + RTE_FLOW_ERROR_TYPE_ITEM,
> > + item, "Not supported by fdir filter");
> > + return -rte_errno;
> > + }
> > +
> > + rule->mask.flex_bytes_mask = 0xffff;
> > + rule->ixgbe_fdir.formatted.flex_bytes =
> > + (((uint16_t)raw_spec->pattern[1]) << 8) |
> > + raw_spec->pattern[0];
> > + rule->flex_bytes_offset = raw_spec->offset;
> > /* check if the next not void item is END */
> > item = next_no_void_pattern(pattern, item);
> > -
> > if (item->type != RTE_FLOW_ITEM_TYPE_END) {
> > memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
> > rte_flow_error_set(error, EINVAL,
> > @@ -2776,12 +2873,17 @@ ixgbe_parse_fdir_filter(struct rte_eth_dev
> *dev,
> > hw->mac.type != ixgbe_mac_X550EM_a)
> > return -ENOTSUP;
> >
> > + if (fdir_mode == RTE_FDIR_MODE_PERFECT_TUNNEL)
> > + goto tunnel_filter;
> > +
> > ret = ixgbe_parse_fdir_filter_normal(dev, attr, pattern,
> > actions, rule, error);
> >
> > if (!ret)
> > goto step_next;
> >
> > +tunnel_filter:
> > +
> > ret = ixgbe_parse_fdir_filter_tunnel(attr, pattern,
> > actions, rule, error);
> >
> > --
> > 2.7.5
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