From 2280e3cf1d7feb974d35b34863e9ed6e9c56b257 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Mon, 29 May 2017 13:57:14 +0200 Subject: [PATCH] net: qualcomm: Improve readability of length defines In order to avoid mixing things up, make the MTU and frame length defines easier to read. Signed-off-by: Stefan Wahren Signed-off-by: David S. Miller --- drivers/net/ethernet/qualcomm/qca_framing.c | 2 +- drivers/net/ethernet/qualcomm/qca_framing.h | 8 ++++---- drivers/net/ethernet/qualcomm/qca_spi.c | 12 ++++++------ 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/qualcomm/qca_framing.c b/drivers/net/ethernet/qualcomm/qca_framing.c index faa924c85e29..2341f2bf574d 100644 --- a/drivers/net/ethernet/qualcomm/qca_framing.c +++ b/drivers/net/ethernet/qualcomm/qca_framing.c @@ -117,7 +117,7 @@ qcafrm_fsm_decode(struct qcafrm_handle *handle, u8 *buf, u16 buf_len, u8 recv_by break; case QCAFRM_WAIT_RSVD_BYTE2: len = handle->offset; - if (len > buf_len || len < QCAFRM_ETHMINLEN) { + if (len > buf_len || len < QCAFRM_MIN_LEN) { ret = QCAFRM_INVLEN; handle->state = QCAFRM_HW_LEN0; } else { diff --git a/drivers/net/ethernet/qualcomm/qca_framing.h b/drivers/net/ethernet/qualcomm/qca_framing.h index 8b385e6f22c9..5df7c65d887c 100644 --- a/drivers/net/ethernet/qualcomm/qca_framing.h +++ b/drivers/net/ethernet/qualcomm/qca_framing.h @@ -44,12 +44,12 @@ #define QCAFRM_INVFRAME (QCAFRM_ERR_BASE - 4) /* Min/Max Ethernet MTU: 46/1500 */ -#define QCAFRM_ETHMINMTU (ETH_ZLEN - ETH_HLEN) -#define QCAFRM_ETHMAXMTU ETH_DATA_LEN +#define QCAFRM_MIN_MTU (ETH_ZLEN - ETH_HLEN) +#define QCAFRM_MAX_MTU ETH_DATA_LEN /* Min/Max frame lengths */ -#define QCAFRM_ETHMINLEN (QCAFRM_ETHMINMTU + ETH_HLEN) -#define QCAFRM_ETHMAXLEN (QCAFRM_ETHMAXMTU + VLAN_ETH_HLEN) +#define QCAFRM_MIN_LEN (QCAFRM_MIN_MTU + ETH_HLEN) +#define QCAFRM_MAX_LEN (QCAFRM_MAX_MTU + VLAN_ETH_HLEN) /* QCA7K header len */ #define QCAFRM_HEADER_LEN 8 diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 7e039e37a3c7..f15554867ef7 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -69,7 +69,7 @@ static int qcaspi_pluggable = QCASPI_PLUGGABLE_MIN; module_param(qcaspi_pluggable, int, 0); MODULE_PARM_DESC(qcaspi_pluggable, "Pluggable SPI connection (yes/no)."); -#define QCASPI_MTU QCAFRM_ETHMAXMTU +#define QCASPI_MTU QCAFRM_MAX_MTU #define QCASPI_TX_TIMEOUT (1 * HZ) #define QCASPI_QCA7K_REBOOT_TIME_MS 1000 @@ -403,7 +403,7 @@ qcaspi_tx_ring_has_space(struct tx_ring *txr) if (txr->skb[txr->tail]) return 0; - return (txr->size + QCAFRM_ETHMAXLEN < QCASPI_HW_BUF_LEN) ? 1 : 0; + return (txr->size + QCAFRM_MAX_LEN < QCASPI_HW_BUF_LEN) ? 1 : 0; } /* Flush the tx ring. This function is only safe to @@ -667,8 +667,8 @@ qcaspi_netdev_xmit(struct sk_buff *skb, struct net_device *dev) struct sk_buff *tskb; u8 pad_len = 0; - if (skb->len < QCAFRM_ETHMINLEN) - pad_len = QCAFRM_ETHMINLEN - skb->len; + if (skb->len < QCAFRM_MIN_LEN) + pad_len = QCAFRM_MIN_LEN - skb->len; if (qca->txr.skb[qca->txr.tail]) { netdev_warn(qca->net_dev, "queue was unexpectedly full!\n"); @@ -805,8 +805,8 @@ qcaspi_netdev_setup(struct net_device *dev) dev->tx_queue_len = 100; /* MTU range: 46 - 1500 */ - dev->min_mtu = QCAFRM_ETHMINMTU; - dev->max_mtu = QCAFRM_ETHMAXMTU; + dev->min_mtu = QCAFRM_MIN_MTU; + dev->max_mtu = QCAFRM_MAX_MTU; qca = netdev_priv(dev); memset(qca, 0, sizeof(struct qcaspi)); -- 2.30.2