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path: root/sys/dev/pci/if_txp.c
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Diffstat (limited to 'sys/dev/pci/if_txp.c')
-rw-r--r--sys/dev/pci/if_txp.c72
1 files changed, 52 insertions, 20 deletions
diff --git a/sys/dev/pci/if_txp.c b/sys/dev/pci/if_txp.c
index d5c280e558e..2378defb05a 100644
--- a/sys/dev/pci/if_txp.c
+++ b/sys/dev/pci/if_txp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_txp.c,v 1.56 2001/09/21 17:55:44 miod Exp $ */
+/* $OpenBSD: if_txp.c,v 1.57 2001/11/02 19:31:00 jason Exp $ */
/*
* Copyright (c) 2001
@@ -86,6 +86,13 @@
#include <dev/microcode/typhoon/3c990img.h>
+/*
+ * These currently break the 3c990 firmware, hopefully will be resolved
+ * at some point.
+ */
+#undef TRY_TX_UDP_CSUM
+#undef TRY_TX_TCP_CSUM
+
int txp_probe __P((struct device *, void *, void *));
void txp_attach __P((struct device *, struct device *, void *));
int txp_intr __P((void *));
@@ -1321,6 +1328,7 @@ txp_start(ifp)
struct txp_softc *sc = ifp->if_softc;
struct txp_tx_ring *r = &sc->sc_txhir;
struct txp_tx_desc *txd;
+ int txdidx;
struct txp_frag_desc *fxd;
struct mbuf *m, *mnew;
struct txp_swdesc *sd;
@@ -1371,12 +1379,12 @@ txp_start(ifp)
goto oactive;
txd = r->r_desc + prod;
-
+ txdidx = prod;
txd->tx_flags = TX_FLAGS_TYPE_DATA;
txd->tx_numdesc = 0;
txd->tx_addrlo = 0;
txd->tx_addrhi = 0;
- txd->tx_totlen = 0;
+ txd->tx_totlen = m->m_pkthdr.len;
txd->tx_pflags = 0;
txd->tx_numdesc = sd->sd_map->dm_nsegs;
@@ -1397,23 +1405,29 @@ txp_start(ifp)
if (m->m_pkthdr.csum & M_IPV4_CSUM_OUT)
txd->tx_pflags |= TX_PFLAGS_IPCKSUM;
-#if 0
+#ifdef TRY_TX_TCP_CSUM
if (m->m_pkthdr.csum & M_TCPV4_CSUM_OUT)
txd->tx_pflags |= TX_PFLAGS_TCPCKSUM;
+#endif
+#ifdef TRY_TX_UDP_CSUM
if (m->m_pkthdr.csum & M_UDPV4_CSUM_OUT)
txd->tx_pflags |= TX_PFLAGS_UDPCKSUM;
#endif
- txp_bus_dmamap_sync(sc->sc_dmat, sc->sc_txhiring_dma.dma_map,
- prod * sizeof(struct txp_tx_desc), sizeof(struct txp_tx_desc),
- BUS_DMASYNC_PREWRITE);
+ txp_bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0,
+ sd->sd_map->dm_mapsize, BUS_DMASYNC_PREWRITE);
fxd = (struct txp_frag_desc *)(r->r_desc + prod);
for (i = 0; i < sd->sd_map->dm_nsegs; i++) {
- if (++cnt >= (TX_ENTRIES - 4))
+ if (++cnt >= (TX_ENTRIES - 4)) {
+ txp_bus_dmamap_sync(sc->sc_dmat, sd->sd_map,
+ 0, sd->sd_map->dm_mapsize,
+ BUS_DMASYNC_POSTWRITE);
goto oactive;
+ }
- fxd->frag_flags = FRAG_FLAGS_TYPE_FRAG;
+ fxd->frag_flags = FRAG_FLAGS_TYPE_FRAG |
+ FRAG_FLAGS_VALID;
fxd->frag_rsvd1 = 0;
fxd->frag_len = sd->sd_map->dm_segs[i].ds_len;
fxd->frag_addrlo =
@@ -1444,8 +1458,29 @@ txp_start(ifp)
bpf_mtap(ifp->if_bpf, m);
#endif
- txp_bus_dmamap_sync(sc->sc_dmat, sd->sd_map, 0,
- sd->sd_map->dm_mapsize, BUS_DMASYNC_PREWRITE);
+ txd->tx_flags |= TX_FLAGS_VALID;
+ txp_bus_dmamap_sync(sc->sc_dmat, sc->sc_txhiring_dma.dma_map,
+ txdidx * sizeof(struct txp_tx_desc),
+ sizeof(struct txp_tx_desc), BUS_DMASYNC_PREWRITE);
+
+#if 0
+ {
+ struct mbuf *mx;
+ int i;
+
+ printf("txd: flags 0x%x ndesc %d totlen %d pflags 0x%x\n",
+ txd->tx_flags, txd->tx_numdesc, txd->tx_totlen,
+ txd->tx_pflags);
+ for (mx = m; mx != NULL; mx = mx->m_next) {
+ for (i = 0; i < mx->m_len; i++) {
+ printf(":%02x",
+ (u_int8_t)m->m_data[i]);
+ }
+ }
+ printf("\n");
+ }
+#endif
+
WRITE_REG(sc, r->r_reg, TXP_IDX2OFFSET(prod));
}
@@ -1594,7 +1629,8 @@ txp_response(sc, ridx, id, seq, rspp)
}
if (rsp->rsp_flags & RSP_FLAGS_ERROR) {
- printf("%s: response error!\n", TXP_DEVNAME(sc));
+ printf("%s: response error: id 0x%x\n",
+ TXP_DEVNAME(sc), rsp->rsp_id);
txp_rsp_fixup(sc, rsp, NULL);
ridx = hv->hv_resp_read_idx;
continue;
@@ -1955,21 +1991,17 @@ txp_capabilities(sc)
}
if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_TCPCKSUM) {
-#if 0
- sc->sc_tx_capability |= OFFLOAD_TCPCKSUM;
-#endif
sc->sc_rx_capability |= OFFLOAD_TCPCKSUM;
-#if 0
+#ifdef TRY_TX_TCP_CSUM
+ sc->sc_tx_capability |= OFFLOAD_TCPCKSUM;
ifp->if_capabilities |= IFCAP_CSUM_TCPv4;
#endif
}
if (rsp->rsp_par2 & rsp->rsp_par3 & OFFLOAD_UDPCKSUM) {
-#if 0
- sc->sc_tx_capability |= OFFLOAD_UDPCKSUM;
-#endif
sc->sc_rx_capability |= OFFLOAD_UDPCKSUM;
-#if 0
+#ifdef TRY_TX_UDP_CSUM
+ sc->sc_tx_capability |= OFFLOAD_UDPCKSUM;
ifp->if_capabilities |= IFCAP_CSUM_UDPv4;
#endif
}