#include <ethdev_driver.h>
#include <rte_flow_driver.h>
#include <rte_ether.h>
+#include <rte_geneve.h>
#include <rte_hash.h>
#include <rte_jhash.h>
#include <rte_ip.h>
#define IP_DEFTTL 64 /* from RFC 1340. */
#define IP6_VTC_FLOW 0x60000000
-/* Highest Item type supported by Flowman */
-#define FM_MAX_ITEM_TYPE RTE_FLOW_ITEM_TYPE_VXLAN
-
/* Up to 1024 TCAM entries */
#define FM_MAX_TCAM_TABLE_SIZE 1024
const struct rte_flow_item *item;
struct fm_tcam_match_entry *fm_tcam_entry;
uint8_t header_level;
+ struct rte_flow_error *error;
};
/* functions for copying items into flowman match */
static enic_copy_item_fn enic_fm_copy_item_udp;
static enic_copy_item_fn enic_fm_copy_item_vlan;
static enic_copy_item_fn enic_fm_copy_item_vxlan;
+static enic_copy_item_fn enic_fm_copy_item_gtp;
+static enic_copy_item_fn enic_fm_copy_item_geneve;
+static enic_copy_item_fn enic_fm_copy_item_geneve_opt;
+static enic_copy_item_fn enic_fm_copy_item_ecpri;
/* Ingress actions */
static const enum rte_flow_action_type enic_fm_supported_ig_actions[] = {
RTE_FLOW_ITEM_TYPE_END,
},
},
+ [RTE_FLOW_ITEM_TYPE_GTP] = {
+ .copy_item = enic_fm_copy_item_gtp,
+ .valid_start_item = 0,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_GTPC] = {
+ .copy_item = enic_fm_copy_item_gtp,
+ .valid_start_item = 1,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_GTPU] = {
+ .copy_item = enic_fm_copy_item_gtp,
+ .valid_start_item = 1,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_GENEVE] = {
+ .copy_item = enic_fm_copy_item_geneve,
+ .valid_start_item = 1,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_IPV4,
+ RTE_FLOW_ITEM_TYPE_IPV6,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_GENEVE_OPT] = {
+ .copy_item = enic_fm_copy_item_geneve_opt,
+ .valid_start_item = 1,
+ /* Can match at most 1 option */
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_GENEVE,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
+ [RTE_FLOW_ITEM_TYPE_ECPRI] = {
+ .copy_item = enic_fm_copy_item_ecpri,
+ .valid_start_item = 1,
+ .prev_items = (const enum rte_flow_item_type[]) {
+ RTE_FLOW_ITEM_TYPE_ETH,
+ RTE_FLOW_ITEM_TYPE_UDP,
+ RTE_FLOW_ITEM_TYPE_END,
+ },
+ },
};
static int
return 0;
}
+static int
+enic_fm_copy_item_gtp(struct copy_item_args *arg)
+{
+ const struct rte_flow_item *item = arg->item;
+ const struct rte_flow_item_gtp *spec = item->spec;
+ const struct rte_flow_item_gtp *mask = item->mask;
+ struct fm_tcam_match_entry *entry = arg->fm_tcam_entry;
+ struct fm_header_set *fm_data, *fm_mask;
+ int off;
+ uint16_t udp_gtp_uc_port_be = 0;
+
+ ENICPMD_FUNC_TRACE();
+ /* Only 2 header levels (outer and inner) allowed */
+ if (arg->header_level > 0)
+ return -EINVAL;
+
+ fm_data = &entry->ftm_data.fk_hdrset[0];
+ fm_mask = &entry->ftm_mask.fk_hdrset[0];
+
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_GTP:
+ {
+ /* For vanilla GTP, the UDP destination port must be specified
+ * but value of the port is not enforced here.
+ */
+ if (!(fm_data->fk_metadata & FKM_UDP) ||
+ !(fm_data->fk_header_select & FKH_UDP) ||
+ fm_data->l4.udp.fk_dest == 0)
+ return -EINVAL;
+ if (!(fm_mask->fk_metadata & FKM_UDP) ||
+ !(fm_mask->fk_header_select & FKH_UDP) ||
+ fm_mask->l4.udp.fk_dest != 0xFFFF)
+ return -EINVAL;
+ break;
+ }
+ case RTE_FLOW_ITEM_TYPE_GTPC:
+ {
+ udp_gtp_uc_port_be = rte_cpu_to_be_16(RTE_GTPC_UDP_PORT);
+ break;
+ }
+ case RTE_FLOW_ITEM_TYPE_GTPU:
+ {
+ udp_gtp_uc_port_be = rte_cpu_to_be_16(RTE_GTPU_UDP_PORT);
+ break;
+ }
+ default:
+ RTE_ASSERT(0);
+ }
+
+ /* The GTP-C or GTP-U UDP destination port must be matched. */
+ if (udp_gtp_uc_port_be) {
+ if (fm_data->fk_metadata & FKM_UDP &&
+ fm_data->fk_header_select & FKH_UDP &&
+ fm_data->l4.udp.fk_dest != udp_gtp_uc_port_be)
+ return -EINVAL;
+ if (fm_mask->fk_metadata & FKM_UDP &&
+ fm_mask->fk_header_select & FKH_UDP &&
+ fm_mask->l4.udp.fk_dest != 0xFFFF)
+ return -EINVAL;
+
+ /* In any case, add match for GTP-C GTP-U UDP dst port */
+ fm_data->fk_metadata |= FKM_UDP;
+ fm_data->fk_header_select |= FKH_UDP;
+ fm_data->l4.udp.fk_dest = udp_gtp_uc_port_be;
+ fm_mask->fk_metadata |= FKM_UDP;
+ fm_mask->fk_header_select |= FKH_UDP;
+ fm_mask->l4.udp.fk_dest = 0xFFFF;
+ }
+
+ /* NIC does not support GTP tunnels. No Items are allowed after this.
+ * This prevents the specification of further items.
+ */
+ arg->header_level = 0;
+
+ /* Match all if no spec */
+ if (!spec)
+ return 0;
+ if (!mask)
+ mask = &rte_flow_item_gtp_mask;
+
+ /*
+ * Use the raw L4 buffer to match GTP as fm_header_set does not have
+ * GTP header. UDP dst port must be specific. Using the raw buffer
+ * does not affect such UDP item, since we skip UDP in the raw buffer.
+ */
+ fm_data->fk_header_select |= FKH_L4RAW;
+ fm_mask->fk_header_select |= FKH_L4RAW;
+ off = sizeof(fm_data->l4.udp);
+ memcpy(&fm_data->l4.rawdata[off], spec, sizeof(*spec));
+ memcpy(&fm_mask->l4.rawdata[off], mask, sizeof(*mask));
+ return 0;
+}
+
+static int
+enic_fm_copy_item_geneve(struct copy_item_args *arg)
+{
+ const struct rte_flow_item *item = arg->item;
+ const struct rte_flow_item_geneve *spec = item->spec;
+ const struct rte_flow_item_geneve *mask = item->mask;
+ struct fm_tcam_match_entry *entry = arg->fm_tcam_entry;
+ struct fm_header_set *fm_data, *fm_mask;
+ int off;
+
+ ENICPMD_FUNC_TRACE();
+ /* Only 2 header levels (outer and inner) allowed */
+ if (arg->header_level > 0)
+ return -EINVAL;
+
+ fm_data = &entry->ftm_data.fk_hdrset[0];
+ fm_mask = &entry->ftm_mask.fk_hdrset[0];
+ fm_data->fk_metadata |= FKM_GENEVE;
+ fm_mask->fk_metadata |= FKM_GENEVE;
+ /* items from here on out are inner header items, except options */
+ arg->header_level = 1;
+
+ /* Match all if no spec */
+ if (!spec)
+ return 0;
+ if (!mask)
+ mask = &rte_flow_item_geneve_mask;
+
+ /*
+ * Use the raw L4 buffer to match geneve as fm_header_set does
+ * not have geneve header. A UDP item may precede the geneve
+ * item. Using the raw buffer does not affect such UDP item,
+ * since we skip UDP in the raw buffer.
+ */
+ fm_data->fk_header_select |= FKH_L4RAW;
+ fm_mask->fk_header_select |= FKH_L4RAW;
+ off = sizeof(fm_data->l4.udp);
+ memcpy(&fm_data->l4.rawdata[off], spec, sizeof(struct rte_geneve_hdr));
+ memcpy(&fm_mask->l4.rawdata[off], mask, sizeof(struct rte_geneve_hdr));
+ return 0;
+}
+
+static int
+enic_fm_copy_item_geneve_opt(struct copy_item_args *arg)
+{
+ const struct rte_flow_item *item = arg->item;
+ const struct rte_flow_item_geneve_opt *spec = item->spec;
+ const struct rte_flow_item_geneve_opt *mask = item->mask;
+ struct fm_tcam_match_entry *entry = arg->fm_tcam_entry;
+ struct fm_header_set *fm_data, *fm_mask;
+ struct rte_geneve_hdr *geneve;
+ int off, len;
+
+ ENICPMD_FUNC_TRACE();
+ fm_data = &entry->ftm_data.fk_hdrset[0];
+ fm_mask = &entry->ftm_mask.fk_hdrset[0];
+ /* Match all if no spec */
+ if (!spec)
+ return 0;
+ if (!mask)
+ mask = &rte_flow_item_geneve_opt_mask;
+
+ if (spec->option_len > 0 &&
+ (spec->data == NULL || mask->data == NULL)) {
+ return rte_flow_error_set(arg->error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "enic: geneve_opt unexpected null data");
+ }
+ /*
+ * Geneve item must already be in the raw buffer. Append the
+ * option pattern to it. There are two limitations.
+ * (1) Can match only the 1st option, the first one following Geneve
+ * (2) Geneve header must specify option length, as HW does not
+ * have "has Geneve option" flag.
+ */
+ RTE_ASSERT((fm_data->fk_header_select & FKH_L4RAW) != 0);
+ RTE_ASSERT((fm_mask->fk_header_select & FKH_L4RAW) != 0);
+ off = sizeof(fm_data->l4.udp);
+ geneve = (struct rte_geneve_hdr *)&fm_data->l4.rawdata[off];
+ if (geneve->opt_len == 0) {
+ return rte_flow_error_set(arg->error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "enic: geneve_opt requires non-zero geneve option length");
+ }
+ geneve = (struct rte_geneve_hdr *)&fm_mask->l4.rawdata[off];
+ if (geneve->opt_len == 0) {
+ return rte_flow_error_set(arg->error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "enic: geneve_opt requires non-zero geneve option length mask");
+ }
+ off = sizeof(fm_data->l4.udp) + sizeof(struct rte_geneve_hdr);
+ if (off + (spec->option_len + 1) * 4 > FM_LAYER_SIZE) {
+ return rte_flow_error_set(arg->error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "enic: geneve_opt too large");
+ }
+ /* Copy option header */
+ memcpy(&fm_data->l4.rawdata[off], spec, 4);
+ memcpy(&fm_mask->l4.rawdata[off], mask, 4);
+ /* Copy option data */
+ if (spec->option_len > 0) {
+ off += 4;
+ len = spec->option_len * 4;
+ memcpy(&fm_data->l4.rawdata[off], spec->data, len);
+ memcpy(&fm_mask->l4.rawdata[off], mask->data, len);
+ }
+ return 0;
+}
+
+/* Match eCPRI combined message header */
+static int
+enic_fm_copy_item_ecpri(struct copy_item_args *arg)
+{
+ const struct rte_flow_item *item = arg->item;
+ const struct rte_flow_item_ecpri *spec = item->spec;
+ const struct rte_flow_item_ecpri *mask = item->mask;
+ struct fm_tcam_match_entry *entry = arg->fm_tcam_entry;
+ struct fm_header_set *fm_data, *fm_mask;
+ uint8_t *fm_data_to, *fm_mask_to;
+
+ ENICPMD_FUNC_TRACE();
+
+ /* Tunneling not supported- only matching on inner eCPRI fields. */
+ if (arg->header_level > 0)
+ return -EINVAL;
+
+ /* Need both spec and mask */
+ if (!spec || !mask)
+ return -EINVAL;
+
+ fm_data = &entry->ftm_data.fk_hdrset[0];
+ fm_mask = &entry->ftm_mask.fk_hdrset[0];
+
+ /* eCPRI can only follow L2/VLAN layer if ethernet type is 0xAEFE. */
+ if (!(fm_data->fk_metadata & FKM_UDP) &&
+ (fm_mask->l2.eth.fk_ethtype != UINT16_MAX ||
+ rte_cpu_to_be_16(fm_data->l2.eth.fk_ethtype) !=
+ RTE_ETHER_TYPE_ECPRI))
+ return -EINVAL;
+
+ if (fm_data->fk_metadata & FKM_UDP) {
+ /* eCPRI on UDP */
+ fm_data->fk_header_select |= FKH_L4RAW;
+ fm_mask->fk_header_select |= FKH_L4RAW;
+ fm_data_to = &fm_data->l4.rawdata[sizeof(fm_data->l4.udp)];
+ fm_mask_to = &fm_mask->l4.rawdata[sizeof(fm_data->l4.udp)];
+ } else {
+ /* eCPRI directly after Etherent header */
+ fm_data->fk_header_select |= FKH_L3RAW;
+ fm_mask->fk_header_select |= FKH_L3RAW;
+ fm_data_to = &fm_data->l3.rawdata[0];
+ fm_mask_to = &fm_mask->l3.rawdata[0];
+ }
+
+ /*
+ * Use the raw L3 or L4 buffer to match eCPRI since fm_header_set does
+ * not have eCPRI header. Only 1st message header of PDU can be matched.
+ * "C" * bit ignored.
+ */
+ memcpy(fm_data_to, spec, sizeof(*spec));
+ memcpy(fm_mask_to, mask, sizeof(*mask));
+ return 0;
+}
+
/*
* Currently, raw pattern match is very limited. It is intended for matching
* UDP tunnel header (e.g. vxlan or geneve).
item_info = &enic_fm_items[item->type];
- if (item->type > FM_MAX_ITEM_TYPE ||
+ if (item->type >= RTE_DIM(enic_fm_items) ||
item_info->copy_item == NULL) {
return rte_flow_error_set(error, ENOTSUP,
RTE_FLOW_ERROR_TYPE_ITEM,
NULL, "enic: unsupported item");
}
-
+ /*
+ * Check vNIC feature dependencies. Geneve item needs
+ * Geneve offload feature
+ */
+ if (item->type == RTE_FLOW_ITEM_TYPE_GENEVE &&
+ !fm->user_enic->geneve) {
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ NULL, "enic: geneve not supported");
+ }
/* check to see if item stacking is valid */
if (!fm_item_stacking_valid(prev_item, item_info,
is_first_item))
goto stacking_error;
args.item = item;
+ args.error = error;
+ if (error)
+ error->type = RTE_FLOW_ERROR_TYPE_NONE;
ret = item_info->copy_item(&args);
- if (ret)
+ if (ret) {
+ /* If copy_item set the error, return that */
+ if (error && error->type != RTE_FLOW_ERROR_TYPE_NONE)
+ return ret;
goto item_not_supported;
+ }
/* Going from outer to inner? Treat it as a new packet start */
if (prev_header_level != args.header_level) {
prev_item = RTE_FLOW_ITEM_TYPE_END;
return 0;
}
+static int
+enic_fm_check_transfer_dst(struct enic *enic, uint16_t dst_port_id,
+ struct rte_eth_dev **dst_dev,
+ struct rte_flow_error *error)
+{
+ struct rte_eth_dev *dev;
+
+ ENICPMD_LOG(DEBUG, "port id %u", dst_port_id);
+ if (!rte_eth_dev_is_valid_port(dst_port_id)) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "invalid port_id");
+ }
+ dev = &rte_eth_devices[dst_port_id];
+ if (!dev_is_enic(dev)) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "port_id is not enic");
+ }
+ if (enic->switch_domain_id != pmd_priv(dev)->switch_domain_id) {
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "destination and source ports are not in the same switch domain");
+ }
+
+ *dst_dev = dev;
+ return 0;
+}
+
/* Translate flow actions to flowman TCAM entry actions */
static int
enic_fm_copy_action(struct enic_flowman *fm,
}
case RTE_FLOW_ACTION_TYPE_PORT_ID: {
const struct rte_flow_action_port_id *port;
- struct rte_eth_dev *dev;
+ struct rte_eth_dev *dev = NULL;
if (!ingress && (overlap & PORT_ID)) {
ENICPMD_LOG(DEBUG, "cannot have multiple egress PORT_ID actions");
vnic_h = enic->fm_vnic_handle; /* This port */
break;
}
- ENICPMD_LOG(DEBUG, "port id %u", port->id);
- if (!rte_eth_dev_is_valid_port(port->id)) {
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- NULL, "invalid port_id");
- }
- dev = &rte_eth_devices[port->id];
- if (!dev_is_enic(dev)) {
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- NULL, "port_id is not enic");
- }
- if (enic->switch_domain_id !=
- pmd_priv(dev)->switch_domain_id) {
- return rte_flow_error_set(error, EINVAL,
- RTE_FLOW_ERROR_TYPE_ACTION,
- NULL, "destination and source ports are not in the same switch domain");
- }
+ ret = enic_fm_check_transfer_dst(enic, port->id, &dev,
+ error);
+ if (ret)
+ return ret;
vnic_h = pmd_priv(dev)->fm_vnic_handle;
overlap |= PORT_ID;
/*
ovlan |= rte_be_to_cpu_16(vid->vlan_vid);
break;
}
+ case RTE_FLOW_ACTION_TYPE_PORT_REPRESENTOR: {
+ const struct rte_flow_action_ethdev *ethdev;
+ struct rte_eth_dev *dev = NULL;
+
+ ethdev = actions->conf;
+ ret = enic_fm_check_transfer_dst(enic, ethdev->port_id,
+ &dev, error);
+ if (ret)
+ return ret;
+ vnic_h = pmd_priv(dev)->fm_vnic_handle;
+ overlap |= PORT_ID;
+ /*
+ * Action PORT_REPRESENTOR implies ingress destination.
+ * Noting to do. We add an implicit stree at the
+ * end if needed.
+ */
+ ingress = 1;
+ break;
+ }
+ case RTE_FLOW_ACTION_TYPE_REPRESENTED_PORT: {
+ const struct rte_flow_action_ethdev *ethdev;
+ struct rte_eth_dev *dev = NULL;
+
+ if (overlap & PORT_ID) {
+ ENICPMD_LOG(DEBUG, "cannot have multiple egress PORT_ID actions");
+ goto unsupported;
+ }
+ ethdev = actions->conf;
+ ret = enic_fm_check_transfer_dst(enic, ethdev->port_id,
+ &dev, error);
+ if (ret)
+ return ret;
+ vnic_h = pmd_priv(dev)->fm_vnic_handle;
+ overlap |= PORT_ID;
+ /* Action REPRESENTED_PORT: always egress destination */
+ ingress = 0;
+ ret = vf_egress_port_id_action(fm, dev, vnic_h, &fm_op,
+ error);
+ if (ret)
+ return ret;
+ break;
+ }
default:
goto unsupported;
}
/* Remove trailing comma */
if (buf[0])
*(bp - 1) = '\0';
- ENICPMD_LOG(DEBUG, " Acions: %s", buf);
+ ENICPMD_LOG(DEBUG, " Actions: %s", buf);
}
static int
if (ret < 0 && ret != -ENOENT)
return rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
- NULL, "enic: rte_hash_lookup(aciton)");
+ NULL, "enic: rte_hash_lookup(action)");
if (ret == -ENOENT) {
/* Allocate a new action on the NIC. */
memcpy(fma, action_in, sizeof(*fma));
ah = calloc(1, sizeof(*ah));
- memcpy(&ah->key, action_in, sizeof(struct fm_action));
if (ah == NULL)
return rte_flow_error_set(error, ENOMEM,
RTE_FLOW_ERROR_TYPE_HANDLE,
NULL, "enic: calloc(fm-action)");
+ memcpy(&ah->key, action_in, sizeof(struct fm_action));
args[0] = FM_ACTION_ALLOC;
args[1] = fm->cmd.pa;
ret = flowman_cmd(fm, args, 2);
ENICPMD_FUNC_TRACE();
- /* Get or create an aciton handle. */
+ /* Get or create an action handle. */
ret = enic_action_handle_get(fm, action_in, error, &ah);
if (ret)
return ret;
git.droids-corp.org / dpdk.git / blobdiff