uint32_t reserved[3]; /* Not used currently */
};
+struct qbman_sge {
+ uint32_t addr_lo;
+ uint32_t addr_hi;
+ uint32_t length;
+ uint32_t fin_bpid_offset;
+};
+
+/* There are three types of frames: Single, Scatter Gather and Frame Lists */
+enum qbman_fd_format {
+ qbman_fd_single = 0,
+ qbman_fd_list,
+ qbman_fd_sg
+};
/*Macros to define operations on FD*/
#define DPAA2_SET_FD_ADDR(fd, addr) do { \
fd->simple.addr_lo = lower_32_bits((uint64_t)(addr)); \
#define DPAA2_SET_FLE_OFFSET(fle, offset) \
((fle)->fin_bpid_offset |= (uint32_t)(offset) << 16)
#define DPAA2_SET_FLE_BPID(fle, bpid) ((fle)->fin_bpid_offset |= (uint64_t)bpid)
-#define DPAA2_GET_FLE_BPID(fle, bpid) (fle->fin_bpid_offset & 0x000000ff)
+#define DPAA2_GET_FLE_BPID(fle) ((fle)->fin_bpid_offset & 0x000000ff)
#define DPAA2_SET_FLE_FIN(fle) (fle->fin_bpid_offset |= (uint64_t)1 << 31)
#define DPAA2_SET_FLE_IVP(fle) (((fle)->fin_bpid_offset |= 0x00004000))
#define DPAA2_SET_FD_COMPOUND_FMT(fd) \
#define DPAA2_GET_FD_BPID(fd) (((fd)->simple.bpid_offset & 0x00003FFF))
#define DPAA2_GET_FD_IVP(fd) ((fd->simple.bpid_offset & 0x00004000) >> 14)
#define DPAA2_GET_FD_OFFSET(fd) (((fd)->simple.bpid_offset & 0x0FFF0000) >> 16)
+#define DPAA2_GET_FLE_OFFSET(fle) (((fle)->fin_bpid_offset & 0x0FFF0000) >> 16)
#define DPAA2_SET_FLE_SG_EXT(fle) (fle->fin_bpid_offset |= (uint64_t)1 << 29)
#define DPAA2_IS_SET_FLE_SG_EXT(fle) \
((fle->fin_bpid_offset & ((uint64_t)1 << 29)) ? 1 : 0)
#define DPAA2_ASAL_VAL (DPAA2_MBUF_HW_ANNOTATION / 64)
+#define DPAA2_FD_SET_FORMAT(fd, format) do { \
+ (fd)->simple.bpid_offset &= 0xCFFFFFFF; \
+ (fd)->simple.bpid_offset |= (uint32_t)format << 28; \
+} while (0)
+#define DPAA2_FD_GET_FORMAT(fd) (((fd)->simple.bpid_offset >> 28) & 0x3)
+
+#define DPAA2_SG_SET_FINAL(sg, fin) do { \
+ (sg)->fin_bpid_offset &= 0x7FFFFFFF; \
+ (sg)->fin_bpid_offset |= (uint32_t)fin << 31; \
+} while (0)
+#define DPAA2_SG_IS_FINAL(sg) (!!((sg)->fin_bpid_offset >> 31))
/* Only Enqueue Error responses will be
* pushed on FQID_ERR of Enqueue FQ
*/
mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
}
+static inline struct rte_mbuf *__attribute__((hot))
+eth_sg_fd_to_mbuf(const struct qbman_fd *fd)
+{
+ struct qbman_sge *sgt, *sge;
+ dma_addr_t sg_addr;
+ int i = 0;
+ uint64_t fd_addr;
+ struct rte_mbuf *first_seg, *next_seg, *cur_seg, *temp;
+
+ fd_addr = (uint64_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
+
+ /* Get Scatter gather table address */
+ sgt = (struct qbman_sge *)(fd_addr + DPAA2_GET_FD_OFFSET(fd));
+
+ sge = &sgt[i++];
+ sg_addr = (uint64_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FLE_ADDR(sge));
+
+ /* First Scatter gather entry */
+ first_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
+ rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
+ /* Prepare all the metadata for first segment */
+ first_seg->buf_addr = (uint8_t *)sg_addr;
+ first_seg->ol_flags = 0;
+ first_seg->data_off = DPAA2_GET_FLE_OFFSET(sge);
+ first_seg->data_len = sge->length & 0x1FFFF;
+ first_seg->pkt_len = DPAA2_GET_FD_LEN(fd);
+ first_seg->nb_segs = 1;
+ first_seg->next = NULL;
+
+ first_seg->packet_type = dpaa2_dev_rx_parse(
+ (uint64_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ + DPAA2_FD_PTA_SIZE);
+ dpaa2_dev_rx_offload((uint64_t)DPAA2_IOVA_TO_VADDR(
+ DPAA2_GET_FD_ADDR(fd)) +
+ DPAA2_FD_PTA_SIZE, first_seg);
+ rte_mbuf_refcnt_set(first_seg, 1);
+ cur_seg = first_seg;
+ while (!DPAA2_SG_IS_FINAL(sge)) {
+ sge = &sgt[i++];
+ sg_addr = (uint64_t)DPAA2_IOVA_TO_VADDR(
+ DPAA2_GET_FLE_ADDR(sge));
+ next_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
+ rte_dpaa2_bpid_info[DPAA2_GET_FLE_BPID(sge)].meta_data_size);
+ next_seg->buf_addr = (uint8_t *)sg_addr;
+ next_seg->data_off = DPAA2_GET_FLE_OFFSET(sge);
+ next_seg->data_len = sge->length & 0x1FFFF;
+ first_seg->nb_segs += 1;
+ rte_mbuf_refcnt_set(next_seg, 1);
+ cur_seg->next = next_seg;
+ next_seg->next = NULL;
+ cur_seg = next_seg;
+ }
+ temp = DPAA2_INLINE_MBUF_FROM_BUF(fd_addr,
+ rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
+ rte_mbuf_refcnt_set(temp, 1);
+ rte_pktmbuf_free_seg(temp);
+
+ return (void *)first_seg;
+}
+
static inline struct rte_mbuf *__attribute__((hot))
eth_fd_to_mbuf(const struct qbman_fd *fd)
{
return mbuf;
}
-static void __rte_noinline __attribute__((hot))
+static int __attribute__ ((noinline)) __attribute__((hot))
+eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
+ struct qbman_fd *fd, uint16_t bpid)
+{
+ struct rte_mbuf *cur_seg = mbuf, *prev_seg, *mi, *temp;
+ struct qbman_sge *sgt, *sge = NULL;
+ int i;
+
+ /* First Prepare FD to be transmited*/
+ /* Resetting the buffer pool id and offset field*/
+ fd->simple.bpid_offset = 0;
+
+ temp = rte_pktmbuf_alloc(mbuf->pool);
+ if (temp == NULL) {
+ PMD_TX_LOG(ERR, "No memory to allocate S/G table");
+ return -ENOMEM;
+ }
+
+ DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(temp));
+ DPAA2_SET_FD_LEN(fd, mbuf->pkt_len);
+ DPAA2_SET_FD_OFFSET(fd, temp->data_off);
+ DPAA2_SET_FD_BPID(fd, bpid);
+ DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);
+ DPAA2_FD_SET_FORMAT(fd, qbman_fd_sg);
+ /*Set Scatter gather table and Scatter gather entries*/
+ sgt = (struct qbman_sge *)(
+ (uint64_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ + DPAA2_GET_FD_OFFSET(fd));
+
+ for (i = 0; i < mbuf->nb_segs; i++) {
+ sge = &sgt[i];
+ /*Resetting the buffer pool id and offset field*/
+ sge->fin_bpid_offset = 0;
+ DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(cur_seg));
+ DPAA2_SET_FLE_OFFSET(sge, cur_seg->data_off);
+ sge->length = cur_seg->data_len;
+ if (RTE_MBUF_DIRECT(cur_seg)) {
+ if (rte_mbuf_refcnt_read(cur_seg) > 1) {
+ /* If refcnt > 1, invalid bpid is set to ensure
+ * buffer is not freed by HW
+ */
+ DPAA2_SET_FLE_IVP(sge);
+ rte_mbuf_refcnt_update(cur_seg, -1);
+ } else
+ DPAA2_SET_FLE_BPID(sge,
+ mempool_to_bpid(cur_seg->pool));
+ cur_seg = cur_seg->next;
+ } else {
+ /* Get owner MBUF from indirect buffer */
+ mi = rte_mbuf_from_indirect(cur_seg);
+ if (rte_mbuf_refcnt_read(mi) > 1) {
+ /* If refcnt > 1, invalid bpid is set to ensure
+ * owner buffer is not freed by HW
+ */
+ DPAA2_SET_FLE_IVP(sge);
+ } else {
+ DPAA2_SET_FLE_BPID(sge,
+ mempool_to_bpid(mi->pool));
+ rte_mbuf_refcnt_update(mi, 1);
+ }
+ prev_seg = cur_seg;
+ cur_seg = cur_seg->next;
+ prev_seg->next = NULL;
+ rte_pktmbuf_free(prev_seg);
+ }
+ }
+ DPAA2_SG_SET_FINAL(sge, true);
+ return 0;
+}
+
+static void
+eth_mbuf_to_fd(struct rte_mbuf *mbuf,
+ struct qbman_fd *fd, uint16_t bpid) __attribute__((unused));
+
+static void __attribute__ ((noinline)) __attribute__((hot))
eth_mbuf_to_fd(struct rte_mbuf *mbuf,
struct qbman_fd *fd, uint16_t bpid)
{
DPAA2_GET_FD_OFFSET(fd), DPAA2_GET_FD_ADDR(fd),
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
DPAA2_GET_FD_BPID(fd), DPAA2_GET_FD_LEN(fd));
-}
+ if (RTE_MBUF_DIRECT(mbuf)) {
+ if (rte_mbuf_refcnt_read(mbuf) > 1) {
+ DPAA2_SET_FD_IVP(fd);
+ rte_mbuf_refcnt_update(mbuf, -1);
+ }
+ } else {
+ struct rte_mbuf *mi;
+ mi = rte_mbuf_from_indirect(mbuf);
+ if (rte_mbuf_refcnt_read(mi) > 1)
+ DPAA2_SET_FD_IVP(fd);
+ else
+ rte_mbuf_refcnt_update(mi, 1);
+ rte_pktmbuf_free(mbuf);
+ }
+}
static inline int __attribute__((hot))
eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf,
rte_prefetch0((void *)((uint64_t)DPAA2_GET_FD_ADDR(fd[num_rx])
+ DPAA2_FD_PTA_SIZE + 16));
- bufs[num_rx] = eth_fd_to_mbuf(fd[num_rx]);
+ if (unlikely(DPAA2_FD_GET_FORMAT(fd[num_rx]) == qbman_fd_sg))
+ bufs[num_rx] = eth_sg_fd_to_mbuf(fd[num_rx]);
+ else
+ bufs[num_rx] = eth_fd_to_mbuf(fd[num_rx]);
bufs[num_rx]->port = dev->data->port_id;
- if (dev->data->dev_conf.rxmode.hw_vlan_strip)
- rte_vlan_strip(bufs[num_rx]);
if (dev->data->dev_conf.rxmode.hw_vlan_strip)
rte_vlan_strip(bufs[num_rx]);
uint32_t loop;
int32_t ret;
struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
+ struct rte_mbuf *mi;
uint32_t frames_to_send;
struct rte_mempool *mp;
struct qbman_eq_desc eqdesc;
fd_arr[loop].simple.frc = 0;
DPAA2_RESET_FD_CTRL((&fd_arr[loop]));
DPAA2_SET_FD_FLC((&fd_arr[loop]), NULL);
- mp = (*bufs)->pool;
+ if (RTE_MBUF_DIRECT(*bufs)) {
+ mp = (*bufs)->pool;
+ } else {
+ mi = rte_mbuf_from_indirect(*bufs);
+ mp = mi->pool;
+ }
/* Not a hw_pkt pool allocated frame */
+ if (!mp) {
+ PMD_TX_LOG(ERR, "err: no bpool attached");
+ goto skip_tx;
+ }
if (mp->ops_index != priv->bp_list->dpaa2_ops_index) {
PMD_TX_LOG(ERR, "non hw offload bufffer ");
/* alloc should be from the default buffer pool
if (priv->bp_list) {
bpid = priv->bp_list->buf_pool.bpid;
} else {
- PMD_TX_LOG(ERR, "errr: why no bpool"
- " attached");
+ PMD_TX_LOG(ERR,
+ "err: no bpool attached");
num_tx = 0;
goto skip_tx;
}
+ if (unlikely((*bufs)->nb_segs > 1)) {
+ PMD_TX_LOG(ERR, "S/G support not added"
+ " for non hw offload buffer");
+ goto skip_tx;
+ }
if (eth_copy_mbuf_to_fd(*bufs,
&fd_arr[loop], bpid)) {
bufs++;
}
} else {
bpid = mempool_to_bpid(mp);
- eth_mbuf_to_fd(*bufs, &fd_arr[loop], bpid);
+ if (unlikely((*bufs)->nb_segs > 1)) {
+ if (eth_mbuf_to_sg_fd(*bufs,
+ &fd_arr[loop], bpid))
+ goto skip_tx;
+ } else {
+ eth_mbuf_to_fd(*bufs,
+ &fd_arr[loop], bpid);
+ }
}
bufs++;
}
git.droids-corp.org / dpdk.git / commitdiff