diff options
author | Hante Meuleman <meuleman@broadcom.com> | 2013-11-29 12:25:21 +0100 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2013-12-02 14:25:25 -0500 |
commit | aec87ce2f38c54dc7ef9bff2038e3b102a4e6c0c (patch) | |
tree | 7bd303320ff4d61ffc26a86769dac5acebcd1eae /drivers/net/wireless/brcm80211/brcmfmac/bcdc.c | |
parent | 5ca85216b173ebac0aa523e4dd826d82d530a465 (diff) | |
download | op-kernel-dev-aec87ce2f38c54dc7ef9bff2038e3b102a4e6c0c.zip op-kernel-dev-aec87ce2f38c54dc7ef9bff2038e3b102a4e6c0c.tar.gz |
brcmfmac: Use consistent naming for BCDC.
The BCDC protocol layer is using a mix of naming of CDC, BDC and
BCDC. Use the name BCDC consistenly over all functions, defines
and variables. This patch does not change code functionality.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcdc.c')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcdc.c | 195 |
1 files changed, 92 insertions, 103 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c index b5a2529..06848e4 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c @@ -33,7 +33,7 @@ #include "proto.h" #include "bcdc.h" -struct brcmf_proto_cdc_dcmd { +struct brcmf_proto_bcdc_dcmd { __le32 cmd; /* dongle command value */ __le32 len; /* lower 16: output buflen; * upper 16: input buflen (excludes header) */ @@ -42,47 +42,47 @@ struct brcmf_proto_cdc_dcmd { }; /* Max valid buffer size that can be sent to the dongle */ -#define CDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) - -/* CDC flag definitions */ -#define CDC_DCMD_ERROR 0x01 /* 1=cmd failed */ -#define CDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ -#define CDC_DCMD_IF_MASK 0xF000 /* I/F index */ -#define CDC_DCMD_IF_SHIFT 12 -#define CDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */ -#define CDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */ -#define CDC_DCMD_ID(flags) \ - (((flags) & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT) +#define BCDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) + +/* BCDC flag definitions */ +#define BCDC_DCMD_ERROR 0x01 /* 1=cmd failed */ +#define BCDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ +#define BCDC_DCMD_IF_MASK 0xF000 /* I/F index */ +#define BCDC_DCMD_IF_SHIFT 12 +#define BCDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */ +#define BCDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */ +#define BCDC_DCMD_ID(flags) \ + (((flags) & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT) /* - * BDC header - Broadcom specific extension of CDC. + * BCDC header - Broadcom specific extension of CDC. * Used on data packets to convey priority across USB. */ -#define BDC_HEADER_LEN 4 -#define BDC_PROTO_VER 2 /* Protocol version */ -#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ -#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ -#define BDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */ -#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ -#define BDC_PRIORITY_MASK 0x7 -#define BDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */ -#define BDC_FLAG2_IF_SHIFT 0 - -#define BDC_GET_IF_IDX(hdr) \ - ((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT)) -#define BDC_SET_IF_IDX(hdr, idx) \ - ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | \ - ((idx) << BDC_FLAG2_IF_SHIFT))) +#define BCDC_HEADER_LEN 4 +#define BCDC_PROTO_VER 2 /* Protocol version */ +#define BCDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ +#define BCDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ +#define BCDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */ +#define BCDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ +#define BCDC_PRIORITY_MASK 0x7 +#define BCDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */ +#define BCDC_FLAG2_IF_SHIFT 0 + +#define BCDC_GET_IF_IDX(hdr) \ + ((int)((((hdr)->flags2) & BCDC_FLAG2_IF_MASK) >> BCDC_FLAG2_IF_SHIFT)) +#define BCDC_SET_IF_IDX(hdr, idx) \ + ((hdr)->flags2 = (((hdr)->flags2 & ~BCDC_FLAG2_IF_MASK) | \ + ((idx) << BCDC_FLAG2_IF_SHIFT))) /** - * struct brcmf_proto_bdc_header - BDC header format + * struct brcmf_proto_bcdc_header - BCDC header format * * @flags: flags contain protocol and checksum info. * @priority: 802.1d priority and USB flow control info (bit 4:7). * @flags2: additional flags containing dongle interface index. * @data_offset: start of packet data. header is following by firmware signals. */ -struct brcmf_proto_bdc_header { +struct brcmf_proto_bcdc_header { u8 flags; u8 priority; u8 flags2; @@ -91,7 +91,7 @@ struct brcmf_proto_bdc_header { /* * maximum length of firmware signal data between - * the BDC header and packet data in the tx path. + * the BCDC header and packet data in the tx path. */ #define BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES 12 @@ -109,42 +109,42 @@ struct brcmf_proto_bdc_header { struct brcmf_bcdc { u16 reqid; u8 bus_header[BUS_HEADER_LEN]; - struct brcmf_proto_cdc_dcmd msg; + struct brcmf_proto_bcdc_dcmd msg; unsigned char buf[BRCMF_DCMD_MAXLEN + ROUND_UP_MARGIN]; }; -static int brcmf_proto_cdc_msg(struct brcmf_pub *drvr) +static int brcmf_proto_bcdc_msg(struct brcmf_pub *drvr) { struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; int len = le32_to_cpu(bcdc->msg.len) + - sizeof(struct brcmf_proto_cdc_dcmd); + sizeof(struct brcmf_proto_bcdc_dcmd); - brcmf_dbg(CDC, "Enter\n"); + brcmf_dbg(BCDC, "Enter\n"); - /* NOTE : cdc->msg.len holds the desired length of the buffer to be - * returned. Only up to CDC_MAX_MSG_SIZE of this buffer area + /* NOTE : bcdc->msg.len holds the desired length of the buffer to be + * returned. Only up to BCDC_MAX_MSG_SIZE of this buffer area * is actually sent to the dongle */ - if (len > CDC_MAX_MSG_SIZE) - len = CDC_MAX_MSG_SIZE; + if (len > BCDC_MAX_MSG_SIZE) + len = BCDC_MAX_MSG_SIZE; /* Send request */ return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len); } -static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) +static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) { int ret; struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - brcmf_dbg(CDC, "Enter\n"); - len += sizeof(struct brcmf_proto_cdc_dcmd); + brcmf_dbg(BCDC, "Enter\n"); + len += sizeof(struct brcmf_proto_bcdc_dcmd); do { ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len); if (ret < 0) break; - } while (CDC_DCMD_ID(le32_to_cpu(bcdc->msg.flags)) != id); + } while (BCDC_DCMD_ID(le32_to_cpu(bcdc->msg.flags)) != id); return ret; } @@ -154,40 +154,40 @@ brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, uint len) { struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - struct brcmf_proto_cdc_dcmd *msg = &bcdc->msg; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; void *info; int ret = 0, retries = 0; u32 id, flags; - brcmf_dbg(CDC, "Enter, cmd %d len %d\n", cmd, len); + brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); - memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd)); + memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd)); msg->cmd = cpu_to_le32(cmd); msg->len = cpu_to_le32(len); - flags = (++bcdc->reqid << CDC_DCMD_ID_SHIFT); - flags = (flags & ~CDC_DCMD_IF_MASK) | - (ifidx << CDC_DCMD_IF_SHIFT); + flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT); + flags = (flags & ~BCDC_DCMD_IF_MASK) | + (ifidx << BCDC_DCMD_IF_SHIFT); msg->flags = cpu_to_le32(flags); if (buf) memcpy(bcdc->buf, buf, len); - ret = brcmf_proto_cdc_msg(drvr); + ret = brcmf_proto_bcdc_msg(drvr); if (ret < 0) { - brcmf_err("brcmf_proto_cdc_msg failed w/status %d\n", + brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n", ret); goto done; } retry: /* wait for interrupt and get first fragment */ - ret = brcmf_proto_cdc_cmplt(drvr, bcdc->reqid, len); + ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); if (ret < 0) goto done; flags = le32_to_cpu(msg->flags); - id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT; + id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; if ((id < bcdc->reqid) && (++retries < RETRIES)) goto retry; @@ -209,7 +209,7 @@ retry: } /* Check the ERROR flag */ - if (flags & CDC_DCMD_ERROR) + if (flags & BCDC_DCMD_ERROR) ret = le32_to_cpu(msg->status); done: @@ -221,34 +221,34 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, uint len) { struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - struct brcmf_proto_cdc_dcmd *msg = &bcdc->msg; + struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; int ret = 0; u32 flags, id; - brcmf_dbg(CDC, "Enter, cmd %d len %d\n", cmd, len); + brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); - memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd)); + memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd)); msg->cmd = cpu_to_le32(cmd); msg->len = cpu_to_le32(len); - flags = (++bcdc->reqid << CDC_DCMD_ID_SHIFT) | CDC_DCMD_SET; - flags = (flags & ~CDC_DCMD_IF_MASK) | - (ifidx << CDC_DCMD_IF_SHIFT); + flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT) | BCDC_DCMD_SET; + flags = (flags & ~BCDC_DCMD_IF_MASK) | + (ifidx << BCDC_DCMD_IF_SHIFT); msg->flags = cpu_to_le32(flags); if (buf) memcpy(bcdc->buf, buf, len); - ret = brcmf_proto_cdc_msg(drvr); + ret = brcmf_proto_bcdc_msg(drvr); if (ret < 0) goto done; - ret = brcmf_proto_cdc_cmplt(drvr, bcdc->reqid, len); + ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); if (ret < 0) goto done; flags = le32_to_cpu(msg->flags); - id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT; + id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; if (id != bcdc->reqid) { brcmf_err("%s: unexpected request id %d (expected %d)\n", @@ -258,67 +258,56 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, } /* Check the ERROR flag */ - if (flags & CDC_DCMD_ERROR) + if (flags & BCDC_DCMD_ERROR) ret = le32_to_cpu(msg->status); done: return ret; } -static bool pkt_sum_needed(struct sk_buff *skb) -{ - return skb->ip_summed == CHECKSUM_PARTIAL; -} - -static void pkt_set_sum_good(struct sk_buff *skb, bool x) -{ - skb->ip_summed = (x ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE); -} - static void brcmf_proto_bcdc_hdrpush(struct brcmf_pub *drvr, int ifidx, u8 offset, struct sk_buff *pktbuf) { - struct brcmf_proto_bdc_header *h; + struct brcmf_proto_bcdc_header *h; - brcmf_dbg(CDC, "Enter\n"); + brcmf_dbg(BCDC, "Enter\n"); /* Push BDC header used to convey priority for buses that don't */ - skb_push(pktbuf, BDC_HEADER_LEN); + skb_push(pktbuf, BCDC_HEADER_LEN); - h = (struct brcmf_proto_bdc_header *)(pktbuf->data); + h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); - h->flags = (BDC_PROTO_VER << BDC_FLAG_VER_SHIFT); - if (pkt_sum_needed(pktbuf)) - h->flags |= BDC_FLAG_SUM_NEEDED; + h->flags = (BCDC_PROTO_VER << BCDC_FLAG_VER_SHIFT); + if (pktbuf->ip_summed == CHECKSUM_PARTIAL) + h->flags |= BCDC_FLAG_SUM_NEEDED; - h->priority = (pktbuf->priority & BDC_PRIORITY_MASK); + h->priority = (pktbuf->priority & BCDC_PRIORITY_MASK); h->flags2 = 0; h->data_offset = offset; - BDC_SET_IF_IDX(h, ifidx); - trace_brcmf_bdchdr(pktbuf->data); + BCDC_SET_IF_IDX(h, ifidx); + trace_brcmf_bcdchdr(pktbuf->data); } static int brcmf_proto_bcdc_hdrpull(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx, struct sk_buff *pktbuf) { - struct brcmf_proto_bdc_header *h; - - brcmf_dbg(CDC, "Enter\n"); + struct brcmf_proto_bcdc_header *h; - /* Pop BDC header used to convey priority for buses that don't */ + brcmf_dbg(BCDC, "Enter\n"); - if (pktbuf->len <= BDC_HEADER_LEN) { + /* Pop BCDC header used to convey priority for buses that don't */ + if (pktbuf->len <= BCDC_HEADER_LEN) { brcmf_dbg(INFO, "rx data too short (%d <= %d)\n", - pktbuf->len, BDC_HEADER_LEN); + pktbuf->len, BCDC_HEADER_LEN); return -EBADE; } - trace_brcmf_bdchdr(pktbuf->data); - h = (struct brcmf_proto_bdc_header *)(pktbuf->data); + trace_brcmf_bcdchdr(pktbuf->data); + h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); - *ifidx = BDC_GET_IF_IDX(h); + *ifidx = BCDC_GET_IF_IDX(h); if (*ifidx >= BRCMF_MAX_IFS) { brcmf_err("rx data ifnum out of range (%d)\n", *ifidx); return -EBADE; @@ -332,22 +321,22 @@ brcmf_proto_bcdc_hdrpull(struct brcmf_pub *drvr, bool do_fws, u8 *ifidx, if (*ifidx) (*ifidx)++; - if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) != - BDC_PROTO_VER) { - brcmf_err("%s: non-BDC packet received, flags 0x%x\n", + if (((h->flags & BCDC_FLAG_VER_MASK) >> BCDC_FLAG_VER_SHIFT) != + BCDC_PROTO_VER) { + brcmf_err("%s: non-BCDC packet received, flags 0x%x\n", brcmf_ifname(drvr, *ifidx), h->flags); return -EBADE; } - if (h->flags & BDC_FLAG_SUM_GOOD) { - brcmf_dbg(CDC, "%s: BDC rcv, good checksum, flags 0x%x\n", + if (h->flags & BCDC_FLAG_SUM_GOOD) { + brcmf_dbg(BCDC, "%s: BDC rcv, good checksum, flags 0x%x\n", brcmf_ifname(drvr, *ifidx), h->flags); - pkt_set_sum_good(pktbuf, true); + pktbuf->ip_summed = CHECKSUM_UNNECESSARY; } - pktbuf->priority = h->priority & BDC_PRIORITY_MASK; + pktbuf->priority = h->priority & BCDC_PRIORITY_MASK; - skb_pull(pktbuf, BDC_HEADER_LEN); + skb_pull(pktbuf, BCDC_HEADER_LEN); if (do_fws) brcmf_fws_hdrpull(drvr, *ifidx, h->data_offset << 2, pktbuf); else @@ -378,9 +367,9 @@ int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) drvr->proto->set_dcmd = brcmf_proto_bcdc_set_dcmd; drvr->proto->pd = bcdc; - drvr->hdrlen += BDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES; + drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES; drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN + - sizeof(struct brcmf_proto_cdc_dcmd) + ROUND_UP_MARGIN; + sizeof(struct brcmf_proto_bcdc_dcmd) + ROUND_UP_MARGIN; return 0; fail: |