#ifndef _CXGBE_FILTER_H_
#define _CXGBE_FILTER_H_
-#include "t4_msg.h"
+#include "base/t4_msg.h"
/*
* Defined bit width of user definable filter tuples
*/
* Filter specification
*/
struct ch_filter_specification {
+ void *private;
+ /* Administrative fields for filter. */
+ uint32_t hitcnts:1; /* count filter hits in TCB */
+ uint32_t prio:1; /* filter has priority over active/server */
+
+ /*
+ * Fundamental filter typing. This is the one element of filter
+ * matching that doesn't exist as a (value, mask) tuple.
+ */
+ uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
+ uint32_t cap:1; /* 0 => LE-TCAM, 1 => Hash */
+
+ /*
+ * Packet dispatch information. Ingress packets which match the
+ * filter rules will be dropped, passed to the host or switched back
+ * out as egress packets.
+ */
+ uint32_t action:2; /* drop, pass, switch */
+
+ uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
+ uint32_t iq:10; /* ingress queue */
+
+ uint32_t eport:2; /* egress port to switch packet out */
+ uint32_t swapmac:1; /* swap SMAC/DMAC for loopback packet */
+ uint32_t newvlan:2; /* rewrite VLAN Tag */
+ uint8_t dmac[RTE_ETHER_ADDR_LEN]; /* new destination MAC address */
+ uint16_t vlan; /* VLAN Tag to insert */
+
+ /*
+ * Switch proxy/rewrite fields. An ingress packet which matches a
+ * filter with "switch" set will be looped back out as an egress
+ * packet -- potentially with some header rewriting.
+ */
+ uint32_t nat_mode:3; /* specify NAT operation mode */
+
+ uint8_t nat_lip[16]; /* local IP to use after NAT'ing */
+ uint8_t nat_fip[16]; /* foreign IP to use after NAT'ing */
+ uint16_t nat_lport; /* local port number to use after NAT'ing */
+ uint16_t nat_fport; /* foreign port number to use after NAT'ing */
+
/* Filter rule value/mask pairs. */
struct ch_filter_tuple val;
struct ch_filter_tuple mask;
};
+enum {
+ FILTER_PASS = 0, /* default */
+ FILTER_DROP,
+ FILTER_SWITCH
+};
+
+enum {
+ VLAN_REMOVE = 1,
+ VLAN_INSERT,
+ VLAN_REWRITE
+};
+
+enum {
+ NAT_MODE_NONE = 0, /* No NAT performed */
+ NAT_MODE_DIP, /* NAT on Dst IP */
+ NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
+ NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
+ NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
+ NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
+ NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
+ NAT_MODE_ALL /* NAT on entire 4-tuple */
+};
+
+enum filter_type {
+ FILTER_TYPE_IPV4 = 0,
+ FILTER_TYPE_IPV6,
+};
+
+struct t4_completion {
+ unsigned int done; /* completion done (0 - No, 1 - Yes) */
+ rte_spinlock_t lock; /* completion lock */
+};
+
+/*
+ * Filter operation context to allow callers to wait for
+ * an asynchronous completion.
+ */
+struct filter_ctx {
+ struct t4_completion completion; /* completion rendezvous */
+ int result; /* result of operation */
+ u32 tid; /* to store tid of hash filter */
+};
+
/*
* Host shadow copy of ingress filter entry. This is in host native format
* and doesn't match the ordering or bit order, etc. of the hardware or the
* firmware command.
*/
struct filter_entry {
+ /*
+ * Administrative fields for filter.
+ */
+ u32 valid:1; /* filter allocated and valid */
+ u32 locked:1; /* filter is administratively locked */
+ u32 pending:1; /* filter action is pending FW reply */
+ struct filter_ctx *ctx; /* caller's completion hook */
+ struct clip_entry *clipt; /* CLIP Table entry for IPv6 */
+ struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
+ struct rte_eth_dev *dev; /* Port's rte eth device */
+ void *private; /* For use by apps using filter_entry */
+
+ /* This will store the actual tid */
+ u32 tid;
+
/*
* The filter itself.
*/
struct ch_filter_specification fs;
};
+#define FILTER_ID_MAX (~0U)
+
+struct tid_info;
+struct adapter;
+
+/**
+ * Find first clear bit in the bitmap.
+ */
+static inline unsigned int cxgbe_find_first_zero_bit(struct rte_bitmap *bmap,
+ unsigned int size)
+{
+ unsigned int idx;
+
+ for (idx = 0; idx < size; idx++)
+ if (!rte_bitmap_get(bmap, idx))
+ break;
+
+ return idx;
+}
+
+/**
+ * Find a free region of 'num' consecutive entries.
+ */
+static inline unsigned int
+cxgbe_bitmap_find_free_region(struct rte_bitmap *bmap, unsigned int size,
+ unsigned int num)
+{
+ unsigned int idx, j, free = 0;
+
+ if (num > size)
+ return size;
+
+ for (idx = 0; idx < size; idx += num) {
+ for (j = 0; j < num; j++) {
+ if (!rte_bitmap_get(bmap, idx + j)) {
+ free++;
+ } else {
+ free = 0;
+ break;
+ }
+ }
+
+ /* Found the Region */
+ if (free == num)
+ break;
+
+ /* Reached the end and still no region found */
+ if ((idx + num) > size) {
+ idx = size;
+ break;
+ }
+ }
+
+ return idx;
+}
+
+bool is_filter_set(struct tid_info *, int fidx, int family);
+void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl);
+void clear_filter(struct filter_entry *f);
+int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx);
+int writable_filter(struct filter_entry *f);
+int cxgbe_set_filter(struct rte_eth_dev *dev, unsigned int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int cxgbe_del_filter(struct rte_eth_dev *dev, unsigned int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int cxgbe_alloc_ftid(struct adapter *adap, unsigned int family);
+int init_hash_filter(struct adapter *adap);
+void hash_filter_rpl(struct adapter *adap, const struct cpl_act_open_rpl *rpl);
+void hash_del_filter_rpl(struct adapter *adap,
+ const struct cpl_abort_rpl_rss *rpl);
+int validate_filter(struct adapter *adap, struct ch_filter_specification *fs);
+int cxgbe_get_filter_count(struct adapter *adapter, unsigned int fidx,
+ u64 *c, int hash, bool get_byte);
+int cxgbe_clear_filter_count(struct adapter *adapter, unsigned int fidx,
+ int hash, bool clear_byte);
#endif /* _CXGBE_FILTER_H_ */
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