d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/ark: support arbitrary mbuf size

Browse Source 
Added arbitrary mbuf size per queue capability.
Updated ARK_UDM_CONST3 value to reflect the version number
read from the HW that is required to support this change.

Signed-off-by: John Miller <john.miller@atomicrules.com>
This commit is contained in:
John Miller 2022-02-15 16:19:22 -06:00 committed by Ferruh Yigit
parent 51ec6c74e8
commit 2f27ef736f
3 changed files with 20 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ark/ark_ethdev.c
View File

@ -527,14 +527,6 @@ ark_config_device(struct rte_eth_dev *dev)
mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET);
}
ark_udm_stop(ark->udm.v, 0);
ark_udm_configure(ark->udm.v,
RTE_PKTMBUF_HEADROOM,
RTE_MBUF_DEFAULT_DATAROOM,
ARK_RX_WRITE_TIME_NS);
ark_udm_stats_reset(ark->udm.v);
ark_udm_stop(ark->udm.v, 0);
/* TX -- DDM */
if (ark_ddm_stop(ark->ddm.v, 1))
ARK_PMD_LOG(ERR, "Unable to stop DDM\n");

23
drivers/net/ark/ark_ethdev_rx.c
View File

@ -12,7 +12,6 @@
#define ARK_RX_META_SIZE 32
#define ARK_RX_META_OFFSET (RTE_PKTMBUF_HEADROOM - ARK_RX_META_SIZE)
#define ARK_RX_MAX_NOCHAIN (RTE_MBUF_DEFAULT_DATAROOM)
/* Forward declarations */
struct ark_rx_queue;
@ -41,6 +40,9 @@ struct ark_rx_queue {
rx_user_meta_hook_fn rx_user_meta_hook;
void *ext_user_data;
uint32_t dataroom;
uint32_t headroom;
uint32_t queue_size;
uint32_t queue_mask;
@ -164,6 +166,9 @@ eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
/* NOTE zmalloc is used, no need to 0 indexes, etc. */
queue->mb_pool = mb_pool;
queue->dataroom = rte_pktmbuf_data_room_size(mb_pool) -
RTE_PKTMBUF_HEADROOM;
queue->headroom = RTE_PKTMBUF_HEADROOM;
queue->phys_qid = qidx;
queue->queue_index = queue_idx;
queue->queue_size = nb_desc;
@ -196,6 +201,15 @@ eth_ark_dev_rx_queue_setup(struct rte_eth_dev *dev,
queue->udm = RTE_PTR_ADD(ark->udm.v, qidx * ARK_UDM_QOFFSET);
queue->mpu = RTE_PTR_ADD(ark->mpurx.v, qidx * ARK_MPU_QOFFSET);
/* Configure UDM per queue */
ark_udm_stop(queue->udm, 0);
ark_udm_configure(queue->udm,
RTE_PKTMBUF_HEADROOM,
queue->dataroom,
ARK_RX_WRITE_TIME_NS);
ark_udm_stats_reset(queue->udm);
ark_udm_stop(queue->udm, 0);
/* populate mbuf reserve */
status = eth_ark_rx_seed_mbufs(queue);
@ -267,6 +281,7 @@ eth_ark_recv_pkts(void *rx_queue,
mbuf->data_len = meta->pkt_len;
if (ARK_DEBUG_CORE) { /* debug sanity checks */
if ((meta->pkt_len > (1024 * 16)) ||
(meta->pkt_len == 0)) {
ARK_PMD_LOG(DEBUG, "RX: Bad Meta Q: %u"
@ -295,7 +310,7 @@ eth_ark_recv_pkts(void *rx_queue,
}
}
if (unlikely(meta->pkt_len > ARK_RX_MAX_NOCHAIN))
if (unlikely(meta->pkt_len > queue->dataroom))
cons_index = eth_ark_rx_jumbo
(queue, meta, mbuf, cons_index + 1);
else
@ -336,14 +351,14 @@ eth_ark_rx_jumbo(struct ark_rx_queue *queue,
/* first buf populated by called */
mbuf_prev = mbuf0;
segments = 1;
data_len = RTE_MIN(meta->pkt_len, RTE_MBUF_DEFAULT_DATAROOM);
data_len = RTE_MIN(meta->pkt_len, queue->dataroom);
remaining = meta->pkt_len - data_len;
mbuf0->data_len = data_len;
/* HW guarantees that the data does not exceed prod_index! */
while (remaining != 0) {
data_len = RTE_MIN(remaining,
RTE_MBUF_DEFAULT_DATAROOM);
queue->dataroom);
remaining -= data_len;
segments += 1;

2
drivers/net/ark/ark_udm.h
View File

@ -33,7 +33,7 @@ struct ark_rx_meta {
#define ARK_RX_WRITE_TIME_NS 2500
#define ARK_UDM_SETUP 0
#define ARK_UDM_CONST2 0xbACECACE
#define ARK_UDM_CONST3 0x334d4455
#define ARK_UDM_CONST3 0x344d4455
#define ARK_UDM_CONST ARK_UDM_CONST3
struct ark_udm_setup_t {
uint32_t r0;