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path: root/sys/dev/pci/if_aq_pci.c
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Diffstat (limited to 'sys/dev/pci/if_aq_pci.c')
-rw-r--r--sys/dev/pci/if_aq_pci.c59
1 files changed, 46 insertions, 13 deletions
diff --git a/sys/dev/pci/if_aq_pci.c b/sys/dev/pci/if_aq_pci.c
index 90c68ffd6b5..f7cf6339c66 100644
--- a/sys/dev/pci/if_aq_pci.c
+++ b/sys/dev/pci/if_aq_pci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_aq_pci.c,v 1.11 2022/03/20 00:01:33 jmatthew Exp $ */
+/* $OpenBSD: if_aq_pci.c,v 1.12 2022/03/26 06:04:20 jmatthew Exp $ */
/* $NetBSD: if_aq.c,v 1.27 2021/06/16 00:21:18 riastradh Exp $ */
/*
@@ -698,6 +698,10 @@ struct aq_rxring {
struct if_rxring rx_rxr;
uint32_t rx_prod;
uint32_t rx_cons;
+
+ struct mbuf *rx_m_head;
+ struct mbuf **rx_m_tail;
+ int rx_m_error;
};
struct aq_txring {
@@ -1119,6 +1123,9 @@ aq_attach(struct device *parent, struct device *self, void *aux)
rx->rx_q = i;
rx->rx_irq = i * 2;
rx->rx_ifiq = ifp->if_iqs[i];
+ rx->rx_m_head = NULL;
+ rx->rx_m_tail = &rx->rx_m_head;
+ rx->rx_m_error = 0;
ifp->if_iqs[i]->ifiq_softc = aq;
timeout_set(&rx->rx_refill, aq_refill, rx);
@@ -2136,7 +2143,7 @@ aq_rx_fill_slots(struct aq_softc *sc, struct aq_rxring *rx, uint nslots)
if (m == NULL)
break;
- m->m_data += (m->m_ext.ext_size - MCLBYTES);
+ m->m_data += (m->m_ext.ext_size - (MCLBYTES + ETHER_ALIGN));
m->m_data += ETHER_ALIGN;
m->m_len = m->m_pkthdr.len = MCLBYTES;
@@ -2198,7 +2205,7 @@ aq_rxeof(struct aq_softc *sc, struct aq_rxring *rx)
uint32_t end, idx;
uint16_t pktlen, status;
uint32_t rxd_type;
- struct mbuf *m;
+ struct mbuf *m, *mb;
struct mbuf_list ml = MBUF_LIST_INITIALIZER();
int rxfree;
@@ -2227,13 +2234,20 @@ aq_rxeof(struct aq_softc *sc, struct aq_rxring *rx)
break;
rxfree++;
- m = as->as_m;
+ mb = as->as_m;
as->as_m = NULL;
pktlen = lemtoh16(&rxd->pkt_len);
rxd_type = lemtoh32(&rxd->type);
/* rss hash */
+ mb->m_pkthdr.len = 0;
+ mb->m_next = NULL;
+ *rx->rx_m_tail = mb;
+ rx->rx_m_tail = &mb->m_next;
+
+ m = rx->rx_m_head;
+
#if NVLAN > 0
if (rxd_type & (AQ_RXDESC_TYPE_VLAN | AQ_RXDESC_TYPE_VLAN2)) {
m->m_pkthdr.ether_vtag = lemtoh16(&rxd->vlan);
@@ -2254,10 +2268,25 @@ aq_rxeof(struct aq_softc *sc, struct aq_rxring *rx)
(rxd_type & AQ_RXDESC_TYPE_DMA_ERR)) {
printf("%s:rx: rx error (status %x type %x)\n",
DEVNAME(sc), status, rxd_type);
- m_freem(m);
+ rx->rx_m_error = 1;
+ }
+
+ if (status & AQ_RXDESC_STATUS_EOP) {
+ mb->m_len = pktlen - m->m_pkthdr.len;
+ m->m_pkthdr.len = pktlen;
+ if (rx->rx_m_error != 0) {
+ ifp->if_ierrors++;
+ m_freem(m);
+ } else {
+ ml_enqueue(&ml, m);
+ }
+
+ rx->rx_m_head = NULL;
+ rx->rx_m_tail = &rx->rx_m_head;
+ rx->rx_m_error = 0;
} else {
- m->m_pkthdr.len = m->m_len = pktlen;
- ml_enqueue(&ml, m);
+ mb->m_len = MCLBYTES;
+ m->m_pkthdr.len += mb->m_len;
}
idx++;
@@ -2486,7 +2515,7 @@ aq_queue_up(struct aq_softc *sc, struct aq_queues *aq)
struct aq_rxring *rx;
struct aq_txring *tx;
struct aq_slot *as;
- int i;
+ int i, mtu;
rx = &aq->q_rx;
rx->rx_slots = mallocarray(sizeof(*as), AQ_RXD_NUM, M_DEVBUF,
@@ -2524,11 +2553,11 @@ aq_queue_up(struct aq_softc *sc, struct aq_queues *aq)
goto destroy_rx_ring;
}
+ mtu = sc->sc_arpcom.ac_if.if_hardmtu;
for (i = 0; i < AQ_TXD_NUM; i++) {
as = &tx->tx_slots[i];
- if (bus_dmamap_create(sc->sc_dmat, MCLBYTES,
- AQ_TX_MAX_SEGMENTS, MCLBYTES, 0,
- BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW | BUS_DMA_64BIT,
+ if (bus_dmamap_create(sc->sc_dmat, mtu, AQ_TX_MAX_SEGMENTS,
+ MCLBYTES, 0, BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW | BUS_DMA_64BIT,
&as->as_map) != 0) {
printf("%s: failed to allocated tx dma maps %d\n",
DEVNAME(sc), aq->q_index);
@@ -2576,6 +2605,10 @@ aq_queue_down(struct aq_softc *sc, struct aq_queues *aq)
aq_dmamem_free(sc, &tx->tx_mem);
rx = &aq->q_rx;
+ m_freem(rx->rx_m_head);
+ rx->rx_m_head = NULL;
+ rx->rx_m_tail = &rx->rx_m_head;
+ rx->rx_m_error = 0;
aq_rxring_reset(sc, &aq->q_rx, 0);
if (rx->rx_slots != NULL) {
aq_free_slots(sc, rx->rx_slots, AQ_RXD_NUM, AQ_RXD_NUM);
@@ -2624,7 +2657,8 @@ aq_up(struct aq_softc *sc)
for (i = 0; i < sc->sc_nqueues; i++) {
struct aq_queues *aq = &sc->sc_queues[i];
- if_rxr_init(&aq->q_rx.rx_rxr, 1, AQ_RXD_NUM - 1);
+ if_rxr_init(&aq->q_rx.rx_rxr, howmany(ifp->if_hardmtu, MCLBYTES),
+ AQ_RXD_NUM - 1);
aq_rx_fill(sc, &aq->q_rx);
ifq_clr_oactive(aq->q_tx.tx_ifq);
@@ -2649,7 +2683,6 @@ aq_down(struct aq_softc *sc)
aq_enable_intr(sc, 1, 0);
intr_barrier(sc->sc_ih);
- AQ_WRITE_REG_BIT(sc, TPB_TX_BUF_REG, TPB_TX_BUF_EN, 0);
AQ_WRITE_REG_BIT(sc, RPB_RPF_RX_REG, RPB_RPF_RX_BUF_EN, 0);
for (i = 0; i < sc->sc_nqueues; i++) {
/* queue intr barrier? */