drbd: moved crypto transformations and friends from mdev to tconn

sed -i \
       -e 's/mdev->cram_hmac_tfm/mdev->tconn->cram_hmac_tfm/g' \
       -e 's/mdev->integrity_w_tfm/mdev->tconn->integrity_w_tfm/g' \
       -e 's/mdev->integrity_r_tfm/mdev->tconn->integrity_r_tfm/g' \
       -e 's/mdev->int_dig_out/mdev->tconn->int_dig_out/g' \
       -e 's/mdev->int_dig_in/mdev->tconn->int_dig_in/g' \
       -e 's/mdev->int_dig_vv/mdev->tconn->int_dig_vv/g' \
       *.[ch]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index b440ffd..af1a2b7 100644 (file)
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -982,6 +982,13 @@ struct drbd_tconn {                        /* is a resource from the config file */
        struct drbd_tl_epoch *oldest_tle;
        struct list_head out_of_sequence_requests;
 
+       struct crypto_hash *cram_hmac_tfm;
+       struct crypto_hash *integrity_w_tfm; /* to be used by the worker thread */
+       struct crypto_hash *integrity_r_tfm; /* to be used by the receiver thread */
+       void *int_dig_out;
+       void *int_dig_in;
+       void *int_dig_vv;
+
        struct drbd_thread receiver;
        struct drbd_thread worker;
        struct drbd_thread asender;
@@ -1114,12 +1121,6 @@ struct drbd_conf {
        unsigned int al_tr_number;
        int al_tr_cycle;
        int al_tr_pos;   /* position of the next transaction in the journal */
-       struct crypto_hash *cram_hmac_tfm;
-       struct crypto_hash *integrity_w_tfm; /* to be used by the worker thread */
-       struct crypto_hash *integrity_r_tfm; /* to be used by the receiver thread */
-       void *int_dig_out;
-       void *int_dig_in;
-       void *int_dig_vv;
        wait_queue_head_t seq_wait;
        atomic_t packet_seq;
        unsigned int peer_seq;

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index c063cd5..699f639 100644 (file)
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2404,8 +2404,8 @@ static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packets cmd,
 int drbd_send_ack_dp(struct drbd_conf *mdev, enum drbd_packets cmd,
                     struct p_data *dp, int data_size)
 {
-       data_size -= (mdev->tconn->agreed_pro_version >= 87 && mdev->integrity_r_tfm) ?
-               crypto_hash_digestsize(mdev->integrity_r_tfm) : 0;
+       data_size -= (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_r_tfm) ?
+               crypto_hash_digestsize(mdev->tconn->integrity_r_tfm) : 0;
        return _drbd_send_ack(mdev, cmd, dp->sector, cpu_to_be32(data_size),
                              dp->block_id);
 }
@@ -2670,8 +2670,8 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
        if (!drbd_get_data_sock(mdev))
                return 0;
 
-       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->integrity_w_tfm) ?
-               crypto_hash_digestsize(mdev->integrity_w_tfm) : 0;
+       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_w_tfm) ?
+               crypto_hash_digestsize(mdev->tconn->integrity_w_tfm) : 0;
 
        if (req->i.size <= DRBD_MAX_SIZE_H80_PACKET) {
                p.head.h80.magic   = cpu_to_be32(DRBD_MAGIC);
@@ -2701,8 +2701,8 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
        ok = (sizeof(p) ==
                drbd_send(mdev, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0));
        if (ok && dgs) {
-               dgb = mdev->int_dig_out;
-               drbd_csum_bio(mdev, mdev->integrity_w_tfm, req->master_bio, dgb);
+               dgb = mdev->tconn->int_dig_out;
+               drbd_csum_bio(mdev, mdev->tconn->integrity_w_tfm, req->master_bio, dgb);
                ok = dgs == drbd_send(mdev, mdev->tconn->data.socket, dgb, dgs, 0);
        }
        if (ok) {
@@ -2727,8 +2727,8 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
                        /* 64 byte, 512 bit, is the largest digest size
                         * currently supported in kernel crypto. */
                        unsigned char digest[64];
-                       drbd_csum_bio(mdev, mdev->integrity_w_tfm, req->master_bio, digest);
-                       if (memcmp(mdev->int_dig_out, digest, dgs)) {
+                       drbd_csum_bio(mdev, mdev->tconn->integrity_w_tfm, req->master_bio, digest);
+                       if (memcmp(mdev->tconn->int_dig_out, digest, dgs)) {
                                dev_warn(DEV,
                                        "Digest mismatch, buffer modified by upper layers during write: %llus +%u\n",
                                        (unsigned long long)req->i.sector, req->i.size);
@@ -2755,8 +2755,8 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd,
        void *dgb;
        int dgs;
 
-       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->integrity_w_tfm) ?
-               crypto_hash_digestsize(mdev->integrity_w_tfm) : 0;
+       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_w_tfm) ?
+               crypto_hash_digestsize(mdev->tconn->integrity_w_tfm) : 0;
 
        if (e->i.size <= DRBD_MAX_SIZE_H80_PACKET) {
                p.head.h80.magic   = cpu_to_be32(DRBD_MAGIC);
@@ -2783,8 +2783,8 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd,
 
        ok = sizeof(p) == drbd_send(mdev, mdev->tconn->data.socket, &p, sizeof(p), dgs ? MSG_MORE : 0);
        if (ok && dgs) {
-               dgb = mdev->int_dig_out;
-               drbd_csum_ee(mdev, mdev->integrity_w_tfm, e, dgb);
+               dgb = mdev->tconn->int_dig_out;
+               drbd_csum_ee(mdev, mdev->tconn->integrity_w_tfm, e, dgb);
                ok = dgs == drbd_send(mdev, mdev->tconn->data.socket, dgb, dgs, 0);
        }
        if (ok)
@@ -3276,9 +3276,9 @@ static void drbd_delete_device(unsigned int minor)
        kfree(mdev->p_uuid);
        /* mdev->p_uuid = NULL; */
 
-       kfree(mdev->int_dig_out);
-       kfree(mdev->int_dig_in);
-       kfree(mdev->int_dig_vv);
+       kfree(mdev->tconn->int_dig_out);
+       kfree(mdev->tconn->int_dig_in);
+       kfree(mdev->tconn->int_dig_vv);
 
        /* cleanup the rest that has been
         * allocated from drbd_new_device
@@ -3629,12 +3629,12 @@ void drbd_free_resources(struct drbd_conf *mdev)
        mdev->csums_tfm = NULL;
        crypto_free_hash(mdev->verify_tfm);
        mdev->verify_tfm = NULL;
-       crypto_free_hash(mdev->cram_hmac_tfm);
-       mdev->cram_hmac_tfm = NULL;
-       crypto_free_hash(mdev->integrity_w_tfm);
-       mdev->integrity_w_tfm = NULL;
-       crypto_free_hash(mdev->integrity_r_tfm);
-       mdev->integrity_r_tfm = NULL;
+       crypto_free_hash(mdev->tconn->cram_hmac_tfm);
+       mdev->tconn->cram_hmac_tfm = NULL;
+       crypto_free_hash(mdev->tconn->integrity_w_tfm);
+       mdev->tconn->integrity_w_tfm = NULL;
+       crypto_free_hash(mdev->tconn->integrity_r_tfm);
+       mdev->tconn->integrity_r_tfm = NULL;
 
        drbd_free_sock(mdev);
 

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 4eaf81a..0836808 100644 (file)
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1532,21 +1532,21 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
        mdev->send_cnt = 0;
        mdev->recv_cnt = 0;
 
-       crypto_free_hash(mdev->cram_hmac_tfm);
-       mdev->cram_hmac_tfm = tfm;
+       crypto_free_hash(mdev->tconn->cram_hmac_tfm);
+       mdev->tconn->cram_hmac_tfm = tfm;
 
-       crypto_free_hash(mdev->integrity_w_tfm);
-       mdev->integrity_w_tfm = integrity_w_tfm;
+       crypto_free_hash(mdev->tconn->integrity_w_tfm);
+       mdev->tconn->integrity_w_tfm = integrity_w_tfm;
 
-       crypto_free_hash(mdev->integrity_r_tfm);
-       mdev->integrity_r_tfm = integrity_r_tfm;
+       crypto_free_hash(mdev->tconn->integrity_r_tfm);
+       mdev->tconn->integrity_r_tfm = integrity_r_tfm;
 
-       kfree(mdev->int_dig_out);
-       kfree(mdev->int_dig_in);
-       kfree(mdev->int_dig_vv);
-       mdev->int_dig_out=int_dig_out;
-       mdev->int_dig_in=int_dig_in;
-       mdev->int_dig_vv=int_dig_vv;
+       kfree(mdev->tconn->int_dig_out);
+       kfree(mdev->tconn->int_dig_in);
+       kfree(mdev->tconn->int_dig_vv);
+       mdev->tconn->int_dig_out=int_dig_out;
+       mdev->tconn->int_dig_in=int_dig_in;
+       mdev->tconn->int_dig_vv=int_dig_vv;
        retcode = _drbd_set_state(_NS(mdev, conn, C_UNCONNECTED), CS_VERBOSE, NULL);
        spin_unlock_irq(&mdev->tconn->req_lock);
 

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index af968a0..4b37010 100644 (file)
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -880,7 +880,7 @@ retry:
        if (h <= 0)
                return h;
 
-       if (mdev->cram_hmac_tfm) {
+       if (mdev->tconn->cram_hmac_tfm) {
                /* drbd_request_state(mdev, NS(conn, WFAuth)); */
                switch (drbd_do_auth(mdev)) {
                case -1:
@@ -1240,12 +1240,12 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
        struct drbd_epoch_entry *e;
        struct page *page;
        int dgs, ds, rr;
-       void *dig_in = mdev->int_dig_in;
-       void *dig_vv = mdev->int_dig_vv;
+       void *dig_in = mdev->tconn->int_dig_in;
+       void *dig_vv = mdev->tconn->int_dig_vv;
        unsigned long *data;
 
-       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->integrity_r_tfm) ?
-               crypto_hash_digestsize(mdev->integrity_r_tfm) : 0;
+       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_r_tfm) ?
+               crypto_hash_digestsize(mdev->tconn->integrity_r_tfm) : 0;
 
        if (dgs) {
                rr = drbd_recv(mdev, dig_in, dgs);
@@ -1306,7 +1306,7 @@ read_in_block(struct drbd_conf *mdev, u64 id, sector_t sector, int data_size) __
        }
 
        if (dgs) {
-               drbd_csum_ee(mdev, mdev->integrity_r_tfm, e, dig_vv);
+               drbd_csum_ee(mdev, mdev->tconn->integrity_r_tfm, e, dig_vv);
                if (memcmp(dig_in, dig_vv, dgs)) {
                        dev_err(DEV, "Digest integrity check FAILED: %llus +%u\n",
                                (unsigned long long)sector, data_size);
@@ -1358,11 +1358,11 @@ static int recv_dless_read(struct drbd_conf *mdev, struct drbd_request *req,
        struct bio_vec *bvec;
        struct bio *bio;
        int dgs, rr, i, expect;
-       void *dig_in = mdev->int_dig_in;
-       void *dig_vv = mdev->int_dig_vv;
+       void *dig_in = mdev->tconn->int_dig_in;
+       void *dig_vv = mdev->tconn->int_dig_vv;
 
-       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->integrity_r_tfm) ?
-               crypto_hash_digestsize(mdev->integrity_r_tfm) : 0;
+       dgs = (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_r_tfm) ?
+               crypto_hash_digestsize(mdev->tconn->integrity_r_tfm) : 0;
 
        if (dgs) {
                rr = drbd_recv(mdev, dig_in, dgs);
@@ -1401,7 +1401,7 @@ static int recv_dless_read(struct drbd_conf *mdev, struct drbd_request *req,
        }
 
        if (dgs) {
-               drbd_csum_bio(mdev, mdev->integrity_r_tfm, bio, dig_vv);
+               drbd_csum_bio(mdev, mdev->tconn->integrity_r_tfm, bio, dig_vv);
                if (memcmp(dig_in, dig_vv, dgs)) {
                        dev_err(DEV, "Digest integrity check FAILED. Broken NICs?\n");
                        return 0;
@@ -3841,8 +3841,8 @@ static void drbd_disconnect(struct drbd_conf *mdev)
        if (os.conn == C_DISCONNECTING) {
                wait_event(mdev->tconn->net_cnt_wait, atomic_read(&mdev->tconn->net_cnt) == 0);
 
-               crypto_free_hash(mdev->cram_hmac_tfm);
-               mdev->cram_hmac_tfm = NULL;
+               crypto_free_hash(mdev->tconn->cram_hmac_tfm);
+               mdev->tconn->cram_hmac_tfm = NULL;
 
                kfree(mdev->tconn->net_conf);
                mdev->tconn->net_conf = NULL;
@@ -4012,10 +4012,10 @@ static int drbd_do_auth(struct drbd_conf *mdev)
        unsigned int length;
        int rv;
 
-       desc.tfm = mdev->cram_hmac_tfm;
+       desc.tfm = mdev->tconn->cram_hmac_tfm;
        desc.flags = 0;
 
-       rv = crypto_hash_setkey(mdev->cram_hmac_tfm,
+       rv = crypto_hash_setkey(mdev->tconn->cram_hmac_tfm,
                                (u8 *)mdev->tconn->net_conf->shared_secret, key_len);
        if (rv) {
                dev_err(DEV, "crypto_hash_setkey() failed with %d\n", rv);
@@ -4062,7 +4062,7 @@ static int drbd_do_auth(struct drbd_conf *mdev)
                goto fail;
        }
 
-       resp_size = crypto_hash_digestsize(mdev->cram_hmac_tfm);
+       resp_size = crypto_hash_digestsize(mdev->tconn->cram_hmac_tfm);
        response = kmalloc(resp_size, GFP_NOIO);
        if (response == NULL) {
                dev_err(DEV, "kmalloc of response failed\n");